Home / 4,752,700.80-7,129,051.20-2,863,132.80

Finding the Fourth Proportional to 4,752,700.80, 7,129,051.20 and 2,863,132.80

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Solution

The fourth proportional to 4,752,700.80, 7,129,051.20 and 2,863,132.80 is: 4,294,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,700.80 : 7,129,051.20 = 2,863,132.80 : x
  2. Step 2: Convert to fraction form
    4,752,700.80/7,129,051.20 = 2,863,132.80/x
  3. Step 3: Cross multiply
    4,752,700.80x = 7,129,051.20 × 2,863,132.80
  4. Step 4: Simplify right side
    4,752,700.80x = 20,411,420,323,599.36
  5. Step 5: Solve for x
    x = 20,411,420,323,599.36/4,752,700.80
  6. Step 6: Final answer
    x = 4,294,699.20

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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.