Home / 4,345,231.90-6,520,180.65-1,821,142.30

Finding the Fourth Proportional to 4,345,231.90, 6,520,180.65 and 1,821,142.30

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Solution

The fourth proportional to 4,345,231.90, 6,520,180.65 and 1,821,142.30 is: 2,732,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345,231.90 : 6,520,180.65 = 1,821,142.30 : x
  2. Step 2: Convert to fraction form
    4,345,231.90/6,520,180.65 = 1,821,142.30/x
  3. Step 3: Cross multiply
    4,345,231.90x = 6,520,180.65 × 1,821,142.30
  4. Step 4: Simplify right side
    4,345,231.90x = 11,874,176,785,356.50
  5. Step 5: Solve for x
    x = 11,874,176,785,356.50/4,345,231.90
  6. Step 6: Final answer
    x = 2,732,691.16

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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.