Home / 3,516,854.40-5,275,224.36-1,120,666.68

Finding the Fourth Proportional to 3,516,854.40, 5,275,224.36 and 1,120,666.68

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Solution

The fourth proportional to 3,516,854.40, 5,275,224.36 and 1,120,666.68 is: 1,680,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,854.40 : 5,275,224.36 = 1,120,666.68 : x
  2. Step 2: Convert to fraction form
    3,516,854.40/5,275,224.36 = 1,120,666.68/x
  3. Step 3: Cross multiply
    3,516,854.40x = 5,275,224.36 × 1,120,666.68
  4. Step 4: Simplify right side
    3,516,854.40x = 5,911,768,169,776.33
  5. Step 5: Solve for x
    x = 5,911,768,169,776.33/3,516,854.40
  6. Step 6: Final answer
    x = 1,680,981.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.