Home / 1,931,302.36-2,665,073.10-1,071,863.20

Finding the Fourth Proportional to 1,931,302.36, 2,665,073.10 and 1,071,863.20

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Solution

The fourth proportional to 1,931,302.36, 2,665,073.10 and 1,071,863.20 is: 1,479,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,302.36 : 2,665,073.10 = 1,071,863.20 : x
  2. Step 2: Convert to fraction form
    1,931,302.36/2,665,073.10 = 1,071,863.20/x
  3. Step 3: Cross multiply
    1,931,302.36x = 2,665,073.10 × 1,071,863.20
  4. Step 4: Simplify right side
    1,931,302.36x = 2,856,593,781,199.92
  5. Step 5: Solve for x
    x = 2,856,593,781,199.92/1,931,302.36
  6. Step 6: Final answer
    x = 1,479,102.31

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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.