Home / 1,857,712.32-2,561,051.52-1,245,974.40

Finding the Fourth Proportional to 1,857,712.32, 2,561,051.52 and 1,245,974.40

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Solution

The fourth proportional to 1,857,712.32, 2,561,051.52 and 1,245,974.40 is: 1,717,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,712.32 : 2,561,051.52 = 1,245,974.40 : x
  2. Step 2: Convert to fraction form
    1,857,712.32/2,561,051.52 = 1,245,974.40/x
  3. Step 3: Cross multiply
    1,857,712.32x = 2,561,051.52 × 1,245,974.40
  4. Step 4: Simplify right side
    1,857,712.32x = 3,191,004,631,001.09
  5. Step 5: Solve for x
    x = 3,191,004,631,001.09/1,857,712.32
  6. Step 6: Final answer
    x = 1,717,706.56

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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.