Home / 3,218,139.60-4,827,857.40-943,659.60

Finding the Fourth Proportional to 3,218,139.60, 4,827,857.40 and 943,659.60

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Solution

The fourth proportional to 3,218,139.60, 4,827,857.40 and 943,659.60 is: 1,415,679.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,139.60 : 4,827,857.40 = 943,659.60 : x
  2. Step 2: Convert to fraction form
    3,218,139.60/4,827,857.40 = 943,659.60/x
  3. Step 3: Cross multiply
    3,218,139.60x = 4,827,857.40 × 943,659.60
  4. Step 4: Simplify right side
    3,218,139.60x = 4,555,853,982,941.04
  5. Step 5: Solve for x
    x = 4,555,853,982,941.04/3,218,139.60
  6. Step 6: Final answer
    x = 1,415,679.41

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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.