Home / 4,752,456.80-7,128,685.20-1,761,807.20

Finding the Fourth Proportional to 4,752,456.80, 7,128,685.20 and 1,761,807.20

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Solution

The fourth proportional to 4,752,456.80, 7,128,685.20 and 1,761,807.20 is: 2,642,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,456.80 : 7,128,685.20 = 1,761,807.20 : x
  2. Step 2: Convert to fraction form
    4,752,456.80/7,128,685.20 = 1,761,807.20/x
  3. Step 3: Cross multiply
    4,752,456.80x = 7,128,685.20 × 1,761,807.20
  4. Step 4: Simplify right side
    4,752,456.80x = 12,559,368,911,893.44
  5. Step 5: Solve for x
    x = 12,559,368,911,893.44/4,752,456.80
  6. Step 6: Final answer
    x = 2,642,710.80

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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.