Home / 5,276,714.38-7,280,830.17-3,315,456.05

Finding the Fourth Proportional to 5,276,714.38, 7,280,830.17 and 3,315,456.05

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Solution

The fourth proportional to 5,276,714.38, 7,280,830.17 and 3,315,456.05 is: 4,574,678.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276,714.38 : 7,280,830.17 = 3,315,456.05 : x
  2. Step 2: Convert to fraction form
    5,276,714.38/7,280,830.17 = 3,315,456.05/x
  3. Step 3: Cross multiply
    5,276,714.38x = 7,280,830.17 × 3,315,456.05
  4. Step 4: Simplify right side
    5,276,714.38x = 24,139,272,399,744.88
  5. Step 5: Solve for x
    x = 24,139,272,399,744.88/5,276,714.38
  6. Step 6: Final answer
    x = 4,574,678.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.