Home / 1,930,762.32-2,664,470.40-1,071,402.56

Finding the Fourth Proportional to 1,930,762.32, 2,664,470.40 and 1,071,402.56

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Solution

The fourth proportional to 1,930,762.32, 2,664,470.40 and 1,071,402.56 is: 1,478,545.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,762.32 : 2,664,470.40 = 1,071,402.56 : x
  2. Step 2: Convert to fraction form
    1,930,762.32/2,664,470.40 = 1,071,402.56/x
  3. Step 3: Cross multiply
    1,930,762.32x = 2,664,470.40 × 1,071,402.56
  4. Step 4: Simplify right side
    1,930,762.32x = 2,854,720,407,604.22
  5. Step 5: Solve for x
    x = 2,854,720,407,604.22/1,930,762.32
  6. Step 6: Final answer
    x = 1,478,545.74

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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.