Home / 1,555,657.36-2,146,044.11-1,039,537.96

Finding the Fourth Proportional to 1,555,657.36, 2,146,044.11 and 1,039,537.96

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Solution

The fourth proportional to 1,555,657.36, 2,146,044.11 and 1,039,537.96 is: 1,434,052.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,657.36 : 2,146,044.11 = 1,039,537.96 : x
  2. Step 2: Convert to fraction form
    1,555,657.36/2,146,044.11 = 1,039,537.96/x
  3. Step 3: Cross multiply
    1,555,657.36x = 2,146,044.11 × 1,039,537.96
  4. Step 4: Simplify right side
    1,555,657.36x = 2,230,894,316,179.42
  5. Step 5: Solve for x
    x = 2,230,894,316,179.42/1,555,657.36
  6. Step 6: Final answer
    x = 1,434,052.49

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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.