Home / 2,087,816.34-3,131,726.22-571,511.87

Finding the Fourth Proportional to 2,087,816.34, 3,131,726.22 and 571,511.87

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Solution

The fourth proportional to 2,087,816.34, 3,131,726.22 and 571,511.87 is: 857,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,816.34 : 3,131,726.22 = 571,511.87 : x
  2. Step 2: Convert to fraction form
    2,087,816.34/3,131,726.22 = 571,511.87/x
  3. Step 3: Cross multiply
    2,087,816.34x = 3,131,726.22 × 571,511.87
  4. Step 4: Simplify right side
    2,087,816.34x = 1,789,818,692,661.60
  5. Step 5: Solve for x
    x = 1,789,818,692,661.60/2,087,816.34
  6. Step 6: Final answer
    x = 857,268.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.