Home / 2,120,711.70-2,926,612.26-1,153,842.78

Finding the Fourth Proportional to 2,120,711.70, 2,926,612.26 and 1,153,842.78

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Solution

The fourth proportional to 2,120,711.70, 2,926,612.26 and 1,153,842.78 is: 1,592,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,711.70 : 2,926,612.26 = 1,153,842.78 : x
  2. Step 2: Convert to fraction form
    2,120,711.70/2,926,612.26 = 1,153,842.78/x
  3. Step 3: Cross multiply
    2,120,711.70x = 2,926,612.26 × 1,153,842.78
  4. Step 4: Simplify right side
    2,120,711.70x = 3,376,850,426,060.48
  5. Step 5: Solve for x
    x = 3,376,850,426,060.48/2,120,711.70
  6. Step 6: Final answer
    x = 1,592,319.42

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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.