Home / 3,015,639.20-4,521,903.60-1,121,405.60

Finding the Fourth Proportional to 3,015,639.20, 4,521,903.60 and 1,121,405.60

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Solution

The fourth proportional to 3,015,639.20, 4,521,903.60 and 1,121,405.60 is: 1,681,530.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,639.20 : 4,521,903.60 = 1,121,405.60 : x
  2. Step 2: Convert to fraction form
    3,015,639.20/4,521,903.60 = 1,121,405.60/x
  3. Step 3: Cross multiply
    3,015,639.20x = 4,521,903.60 × 1,121,405.60
  4. Step 4: Simplify right side
    3,015,639.20x = 5,070,888,019,700.16
  5. Step 5: Solve for x
    x = 5,070,888,019,700.16/3,015,639.20
  6. Step 6: Final answer
    x = 1,681,530.08

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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.