Home / 1,862,426.31-2,570,165.19-1,127,397.48

Finding the Fourth Proportional to 1,862,426.31, 2,570,165.19 and 1,127,397.48

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Solution

The fourth proportional to 1,862,426.31, 2,570,165.19 and 1,127,397.48 is: 1,555,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862,426.31 : 2,570,165.19 = 1,127,397.48 : x
  2. Step 2: Convert to fraction form
    1,862,426.31/2,570,165.19 = 1,127,397.48/x
  3. Step 3: Cross multiply
    1,862,426.31x = 2,570,165.19 × 1,127,397.48
  4. Step 4: Simplify right side
    1,862,426.31x = 2,897,597,758,389.72
  5. Step 5: Solve for x
    x = 2,897,597,758,389.72/1,862,426.31
  6. Step 6: Final answer
    x = 1,555,818.74

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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.