Home / 1,930,489.29-2,664,039.77-1,071,031.10

Finding the Fourth Proportional to 1,930,489.29, 2,664,039.77 and 1,071,031.10

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Solution

The fourth proportional to 1,930,489.29, 2,664,039.77 and 1,071,031.10 is: 1,478,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,489.29 : 2,664,039.77 = 1,071,031.10 : x
  2. Step 2: Convert to fraction form
    1,930,489.29/2,664,039.77 = 1,071,031.10/x
  3. Step 3: Cross multiply
    1,930,489.29x = 2,664,039.77 × 1,071,031.10
  4. Step 4: Simplify right side
    1,930,489.29x = 2,853,269,426,631.49
  5. Step 5: Solve for x
    x = 2,853,269,426,631.49/1,930,489.29
  6. Step 6: Final answer
    x = 1,478,003.24

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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.