Home / 3,815,121.60-5,732,013.60-2,870,337.60

Finding the Fourth Proportional to 3,815,121.60, 5,732,013.60 and 2,870,337.60

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Solution

The fourth proportional to 3,815,121.60, 5,732,013.60 and 2,870,337.60 is: 4,312,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815,121.60 : 5,732,013.60 = 2,870,337.60 : x
  2. Step 2: Convert to fraction form
    3,815,121.60/5,732,013.60 = 2,870,337.60/x
  3. Step 3: Cross multiply
    3,815,121.60x = 5,732,013.60 × 2,870,337.60
  4. Step 4: Simplify right side
    3,815,121.60x = 16,452,814,159,791.36
  5. Step 5: Solve for x
    x = 16,452,814,159,791.36/3,815,121.60
  6. Step 6: Final answer
    x = 4,312,526.80

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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.