Home / 2,139,041.52-3,208,531.84-519,822.24

Finding the Fourth Proportional to 2,139,041.52, 3,208,531.84 and 519,822.24

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Solution

The fourth proportional to 2,139,041.52, 3,208,531.84 and 519,822.24 is: 779,725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,041.52 : 3,208,531.84 = 519,822.24 : x
  2. Step 2: Convert to fraction form
    2,139,041.52/3,208,531.84 = 519,822.24/x
  3. Step 3: Cross multiply
    2,139,041.52x = 3,208,531.84 × 519,822.24
  4. Step 4: Simplify right side
    2,139,041.52x = 1,667,866,208,180.12
  5. Step 5: Solve for x
    x = 1,667,866,208,180.12/2,139,041.52
  6. Step 6: Final answer
    x = 779,725.96

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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.