Home / 2,114,612.31-2,918,128.36-1,147,721.85

Finding the Fourth Proportional to 2,114,612.31, 2,918,128.36 and 1,147,721.85

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Solution

The fourth proportional to 2,114,612.31, 2,918,128.36 and 1,147,721.85 is: 1,583,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,612.31 : 2,918,128.36 = 1,147,721.85 : x
  2. Step 2: Convert to fraction form
    2,114,612.31/2,918,128.36 = 1,147,721.85/x
  3. Step 3: Cross multiply
    2,114,612.31x = 2,918,128.36 × 1,147,721.85
  4. Step 4: Simplify right side
    2,114,612.31x = 3,349,199,679,876.67
  5. Step 5: Solve for x
    x = 3,349,199,679,876.67/2,114,612.31
  6. Step 6: Final answer
    x = 1,583,836.27

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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.