Home / 2,102,434.72-3,154,470.20-840,623.20

Finding the Fourth Proportional to 2,102,434.72, 3,154,470.20 and 840,623.20

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Solution

The fourth proportional to 2,102,434.72, 3,154,470.20 and 840,623.20 is: 1,261,261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,434.72 : 3,154,470.20 = 840,623.20 : x
  2. Step 2: Convert to fraction form
    2,102,434.72/3,154,470.20 = 840,623.20/x
  3. Step 3: Cross multiply
    2,102,434.72x = 3,154,470.20 × 840,623.20
  4. Step 4: Simplify right side
    2,102,434.72x = 2,651,720,833,828.64
  5. Step 5: Solve for x
    x = 2,651,720,833,828.64/2,102,434.72
  6. Step 6: Final answer
    x = 1,261,261.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.