Home / 1,917,343.32-2,645,989.08-1,057,958.88

Finding the Fourth Proportional to 1,917,343.32, 2,645,989.08 and 1,057,958.88

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Solution

The fourth proportional to 1,917,343.32, 2,645,989.08 and 1,057,958.88 is: 1,460,013.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,343.32 : 2,645,989.08 = 1,057,958.88 : x
  2. Step 2: Convert to fraction form
    1,917,343.32/2,645,989.08 = 1,057,958.88/x
  3. Step 3: Cross multiply
    1,917,343.32x = 2,645,989.08 × 1,057,958.88
  4. Step 4: Simplify right side
    1,917,343.32x = 2,799,347,643,569.03
  5. Step 5: Solve for x
    x = 2,799,347,643,569.03/1,917,343.32
  6. Step 6: Final answer
    x = 1,460,013.77

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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.