Home / 3,155,489.60-4,736,344.80-1,559,854.40

Finding the Fourth Proportional to 3,155,489.60, 4,736,344.80 and 1,559,854.40

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Solution

The fourth proportional to 3,155,489.60, 4,736,344.80 and 1,559,854.40 is: 2,341,319.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,489.60 : 4,736,344.80 = 1,559,854.40 : x
  2. Step 2: Convert to fraction form
    3,155,489.60/4,736,344.80 = 1,559,854.40/x
  3. Step 3: Cross multiply
    3,155,489.60x = 4,736,344.80 × 1,559,854.40
  4. Step 4: Simplify right side
    3,155,489.60x = 7,388,008,276,197.12
  5. Step 5: Solve for x
    x = 7,388,008,276,197.12/3,155,489.60
  6. Step 6: Final answer
    x = 2,341,319.17

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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.