Home / 5,265,807.20-7,898,127.60-1,479,672.80

Finding the Fourth Proportional to 5,265,807.20, 7,898,127.60 and 1,479,672.80

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Solution

The fourth proportional to 5,265,807.20, 7,898,127.60 and 1,479,672.80 is: 2,219,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,807.20 : 7,898,127.60 = 1,479,672.80 : x
  2. Step 2: Convert to fraction form
    5,265,807.20/7,898,127.60 = 1,479,672.80/x
  3. Step 3: Cross multiply
    5,265,807.20x = 7,898,127.60 × 1,479,672.80
  4. Step 4: Simplify right side
    5,265,807.20x = 11,686,644,580,649.28
  5. Step 5: Solve for x
    x = 11,686,644,580,649.28/5,265,807.20
  6. Step 6: Final answer
    x = 2,219,345.32

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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.