Home / 2,772,666.71-4,159,128.52-853,663.88

Finding the Fourth Proportional to 2,772,666.71, 4,159,128.52 and 853,663.88

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Solution

The fourth proportional to 2,772,666.71, 4,159,128.52 and 853,663.88 is: 1,280,535.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,666.71 : 4,159,128.52 = 853,663.88 : x
  2. Step 2: Convert to fraction form
    2,772,666.71/4,159,128.52 = 853,663.88/x
  3. Step 3: Cross multiply
    2,772,666.71x = 4,159,128.52 × 853,663.88
  4. Step 4: Simplify right side
    2,772,666.71x = 3,550,497,764,737.90
  5. Step 5: Solve for x
    x = 3,550,497,764,737.90/2,772,666.71
  6. Step 6: Final answer
    x = 1,280,535.36

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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.