Home / 1,581,054.27-2,181,854.43-855,901.45

Finding the Fourth Proportional to 1,581,054.27, 2,181,854.43 and 855,901.45

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Solution

The fourth proportional to 1,581,054.27, 2,181,854.43 and 855,901.45 is: 1,181,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,054.27 : 2,181,854.43 = 855,901.45 : x
  2. Step 2: Convert to fraction form
    1,581,054.27/2,181,854.43 = 855,901.45/x
  3. Step 3: Cross multiply
    1,581,054.27x = 2,181,854.43 × 855,901.45
  4. Step 4: Simplify right side
    1,581,054.27x = 1,867,452,364,871.29
  5. Step 5: Solve for x
    x = 1,867,452,364,871.29/1,581,054.27
  6. Step 6: Final answer
    x = 1,181,143.74

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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.