Home / 5,069,171.40-7,605,454.68-1,657,615.32

Finding the Fourth Proportional to 5,069,171.40, 7,605,454.68 and 1,657,615.32

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Solution

The fourth proportional to 5,069,171.40, 7,605,454.68 and 1,657,615.32 is: 2,486,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,069,171.40 : 7,605,454.68 = 1,657,615.32 : x
  2. Step 2: Convert to fraction form
    5,069,171.40/7,605,454.68 = 1,657,615.32/x
  3. Step 3: Cross multiply
    5,069,171.40x = 7,605,454.68 × 1,657,615.32
  4. Step 4: Simplify right side
    5,069,171.40x = 12,606,918,193,133.70
  5. Step 5: Solve for x
    x = 12,606,918,193,133.70/5,069,171.40
  6. Step 6: Final answer
    x = 2,486,978.09

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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.