Home / 1,638,691.84-2,458,037.76-516,848.32

Finding the Fourth Proportional to 1,638,691.84, 2,458,037.76 and 516,848.32

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Solution

The fourth proportional to 1,638,691.84, 2,458,037.76 and 516,848.32 is: 775,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,691.84 : 2,458,037.76 = 516,848.32 : x
  2. Step 2: Convert to fraction form
    1,638,691.84/2,458,037.76 = 516,848.32/x
  3. Step 3: Cross multiply
    1,638,691.84x = 2,458,037.76 × 516,848.32
  4. Step 4: Simplify right side
    1,638,691.84x = 1,270,432,686,752.56
  5. Step 5: Solve for x
    x = 1,270,432,686,752.56/1,638,691.84
  6. Step 6: Final answer
    x = 775,272.48

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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.