Home / 3,101,890.20-4,652,981.10-972,043.80

Finding the Fourth Proportional to 3,101,890.20, 4,652,981.10 and 972,043.80

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Solution

The fourth proportional to 3,101,890.20, 4,652,981.10 and 972,043.80 is: 1,458,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,890.20 : 4,652,981.10 = 972,043.80 : x
  2. Step 2: Convert to fraction form
    3,101,890.20/4,652,981.10 = 972,043.80/x
  3. Step 3: Cross multiply
    3,101,890.20x = 4,652,981.10 × 972,043.80
  4. Step 4: Simplify right side
    3,101,890.20x = 4,522,901,429,772.18
  5. Step 5: Solve for x
    x = 4,522,901,429,772.18/3,101,890.20
  6. Step 6: Final answer
    x = 1,458,111.39

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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.