Home / 2,291,310.16-3,162,108.10-1,272,714.91

Finding the Fourth Proportional to 2,291,310.16, 3,162,108.10 and 1,272,714.91

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Solution

The fourth proportional to 2,291,310.16, 3,162,108.10 and 1,272,714.91 is: 1,756,402.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291,310.16 : 3,162,108.10 = 1,272,714.91 : x
  2. Step 2: Convert to fraction form
    2,291,310.16/3,162,108.10 = 1,272,714.91/x
  3. Step 3: Cross multiply
    2,291,310.16x = 3,162,108.10 × 1,272,714.91
  4. Step 4: Simplify right side
    2,291,310.16x = 4,024,462,125,901.77
  5. Step 5: Solve for x
    x = 4,024,462,125,901.77/2,291,310.16
  6. Step 6: Final answer
    x = 1,756,402.17

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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.