Home / 5,182,511.20-7,773,766.80-1,636,655.20

Finding the Fourth Proportional to 5,182,511.20, 7,773,766.80 and 1,636,655.20

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Solution

The fourth proportional to 5,182,511.20, 7,773,766.80 and 1,636,655.20 is: 2,454,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182,511.20 : 7,773,766.80 = 1,636,655.20 : x
  2. Step 2: Convert to fraction form
    5,182,511.20/7,773,766.80 = 1,636,655.20/x
  3. Step 3: Cross multiply
    5,182,511.20x = 7,773,766.80 × 1,636,655.20
  4. Step 4: Simplify right side
    5,182,511.20x = 12,722,975,856,807.36
  5. Step 5: Solve for x
    x = 12,722,975,856,807.36/5,182,511.20
  6. Step 6: Final answer
    x = 2,454,982.80

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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.