Home / 3,132,679.60-4,699,019.40-2,943,722.80

Finding the Fourth Proportional to 3,132,679.60, 4,699,019.40 and 2,943,722.80

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Solution

The fourth proportional to 3,132,679.60, 4,699,019.40 and 2,943,722.80 is: 4,415,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,679.60 : 4,699,019.40 = 2,943,722.80 : x
  2. Step 2: Convert to fraction form
    3,132,679.60/4,699,019.40 = 2,943,722.80/x
  3. Step 3: Cross multiply
    3,132,679.60x = 4,699,019.40 × 2,943,722.80
  4. Step 4: Simplify right side
    3,132,679.60x = 13,832,610,545,422.32
  5. Step 5: Solve for x
    x = 13,832,610,545,422.32/3,132,679.60
  6. Step 6: Final answer
    x = 4,415,584.20

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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.