Home / 5,376,447.20-8,064,670.80-1,387,359.20

Finding the Fourth Proportional to 5,376,447.20, 8,064,670.80 and 1,387,359.20

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Solution

The fourth proportional to 5,376,447.20, 8,064,670.80 and 1,387,359.20 is: 2,081,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,447.20 : 8,064,670.80 = 1,387,359.20 : x
  2. Step 2: Convert to fraction form
    5,376,447.20/8,064,670.80 = 1,387,359.20/x
  3. Step 3: Cross multiply
    5,376,447.20x = 8,064,670.80 × 1,387,359.20
  4. Step 4: Simplify right side
    5,376,447.20x = 11,188,595,229,351.36
  5. Step 5: Solve for x
    x = 11,188,595,229,351.36/5,376,447.20
  6. Step 6: Final answer
    x = 2,081,038.80

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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.