Home / 1,930,400.90-2,664,273.04-1,071,237.14

Finding the Fourth Proportional to 1,930,400.90, 2,664,273.04 and 1,071,237.14

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Solution

The fourth proportional to 1,930,400.90, 2,664,273.04 and 1,071,237.14 is: 1,478,484.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,400.90 : 2,664,273.04 = 1,071,237.14 : x
  2. Step 2: Convert to fraction form
    1,930,400.90/2,664,273.04 = 1,071,237.14/x
  3. Step 3: Cross multiply
    1,930,400.90x = 2,664,273.04 × 1,071,237.14
  4. Step 4: Simplify right side
    1,930,400.90x = 2,854,068,231,548.71
  5. Step 5: Solve for x
    x = 2,854,068,231,548.71/1,930,400.90
  6. Step 6: Final answer
    x = 1,478,484.72

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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.