Home / 2,689,119.80-4,033,679.70-1,553,823.80

Finding the Fourth Proportional to 2,689,119.80, 4,033,679.70 and 1,553,823.80

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Solution

The fourth proportional to 2,689,119.80, 4,033,679.70 and 1,553,823.80 is: 2,330,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,119.80 : 4,033,679.70 = 1,553,823.80 : x
  2. Step 2: Convert to fraction form
    2,689,119.80/4,033,679.70 = 1,553,823.80/x
  3. Step 3: Cross multiply
    2,689,119.80x = 4,033,679.70 × 1,553,823.80
  4. Step 4: Simplify right side
    2,689,119.80x = 6,267,627,519,436.86
  5. Step 5: Solve for x
    x = 6,267,627,519,436.86/2,689,119.80
  6. Step 6: Final answer
    x = 2,330,735.70

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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.