Home / 1,930,512.90-2,664,427.59-1,071,349.14

Finding the Fourth Proportional to 1,930,512.90, 2,664,427.59 and 1,071,349.14

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Solution

The fourth proportional to 1,930,512.90, 2,664,427.59 and 1,071,349.14 is: 1,478,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,512.90 : 2,664,427.59 = 1,071,349.14 : x
  2. Step 2: Convert to fraction form
    1,930,512.90/2,664,427.59 = 1,071,349.14/x
  3. Step 3: Cross multiply
    1,930,512.90x = 2,664,427.59 × 1,071,349.14
  4. Step 4: Simplify right side
    1,930,512.90x = 2,854,532,207,138.77
  5. Step 5: Solve for x
    x = 2,854,532,207,138.77/1,930,512.90
  6. Step 6: Final answer
    x = 1,478,639.28

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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.