Home / 3,119,246.10-4,678,869.15-989,496.90

Finding the Fourth Proportional to 3,119,246.10, 4,678,869.15 and 989,496.90

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Solution

The fourth proportional to 3,119,246.10, 4,678,869.15 and 989,496.90 is: 1,484,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,246.10 : 4,678,869.15 = 989,496.90 : x
  2. Step 2: Convert to fraction form
    3,119,246.10/4,678,869.15 = 989,496.90/x
  3. Step 3: Cross multiply
    3,119,246.10x = 4,678,869.15 × 989,496.90
  4. Step 4: Simplify right side
    3,119,246.10x = 4,629,726,519,430.64
  5. Step 5: Solve for x
    x = 4,629,726,519,430.64/3,119,246.10
  6. Step 6: Final answer
    x = 1,484,245.35

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Double scale
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Similar ratio
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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.