Home / 4,890,076.30-7,335,114.45-1,296,397.90

Finding the Fourth Proportional to 4,890,076.30, 7,335,114.45 and 1,296,397.90

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Solution

The fourth proportional to 4,890,076.30, 7,335,114.45 and 1,296,397.90 is: 1,944,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,076.30 : 7,335,114.45 = 1,296,397.90 : x
  2. Step 2: Convert to fraction form
    4,890,076.30/7,335,114.45 = 1,296,397.90/x
  3. Step 3: Cross multiply
    4,890,076.30x = 7,335,114.45 × 1,296,397.90
  4. Step 4: Simplify right side
    4,890,076.30x = 9,509,226,969,239.65
  5. Step 5: Solve for x
    x = 9,509,226,969,239.65/4,890,076.30
  6. Step 6: Final answer
    x = 1,944,596.85

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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.