Home / 2,132,818.20-2,927,622.12-1,885,687.20

Finding the Fourth Proportional to 2,132,818.20, 2,927,622.12 and 1,885,687.20

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Solution

The fourth proportional to 2,132,818.20, 2,927,622.12 and 1,885,687.20 is: 2,588,396.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,818.20 : 2,927,622.12 = 1,885,687.20 : x
  2. Step 2: Convert to fraction form
    2,132,818.20/2,927,622.12 = 1,885,687.20/x
  3. Step 3: Cross multiply
    2,132,818.20x = 2,927,622.12 × 1,885,687.20
  4. Step 4: Simplify right side
    2,132,818.20x = 5,520,579,558,120.86
  5. Step 5: Solve for x
    x = 5,520,579,558,120.86/2,132,818.20
  6. Step 6: Final answer
    x = 2,588,396.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.