Home / 2,890,401.46-3,988,463.34-1,601,000.92

Finding the Fourth Proportional to 2,890,401.46, 3,988,463.34 and 1,601,000.92

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Solution

The fourth proportional to 2,890,401.46, 3,988,463.34 and 1,601,000.92 is: 2,209,220.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,401.46 : 3,988,463.34 = 1,601,000.92 : x
  2. Step 2: Convert to fraction form
    2,890,401.46/3,988,463.34 = 1,601,000.92/x
  3. Step 3: Cross multiply
    2,890,401.46x = 3,988,463.34 × 1,601,000.92
  4. Step 4: Simplify right side
    2,890,401.46x = 6,385,533,476,726.27
  5. Step 5: Solve for x
    x = 6,385,533,476,726.27/2,890,401.46
  6. Step 6: Final answer
    x = 2,209,220.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.