Home / 3,119,241.80-4,678,862.70-2,662,596.20

Finding the Fourth Proportional to 3,119,241.80, 4,678,862.70 and 2,662,596.20

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Solution

The fourth proportional to 3,119,241.80, 4,678,862.70 and 2,662,596.20 is: 3,993,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,241.80 : 4,678,862.70 = 2,662,596.20 : x
  2. Step 2: Convert to fraction form
    3,119,241.80/4,678,862.70 = 2,662,596.20/x
  3. Step 3: Cross multiply
    3,119,241.80x = 4,678,862.70 × 2,662,596.20
  4. Step 4: Simplify right side
    3,119,241.80x = 12,457,922,045,341.74
  5. Step 5: Solve for x
    x = 12,457,922,045,341.74/3,119,241.80
  6. Step 6: Final answer
    x = 3,993,894.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.