Home / 4,268,614.60-6,403,258.86-1,428,737.32

Finding the Fourth Proportional to 4,268,614.60, 6,403,258.86 and 1,428,737.32

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Solution

The fourth proportional to 4,268,614.60, 6,403,258.86 and 1,428,737.32 is: 2,143,218.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268,614.60 : 6,403,258.86 = 1,428,737.32 : x
  2. Step 2: Convert to fraction form
    4,268,614.60/6,403,258.86 = 1,428,737.32/x
  3. Step 3: Cross multiply
    4,268,614.60x = 6,403,258.86 × 1,428,737.32
  4. Step 4: Simplify right side
    4,268,614.60x = 9,148,574,902,902.66
  5. Step 5: Solve for x
    x = 9,148,574,902,902.66/4,268,614.60
  6. Step 6: Final answer
    x = 2,143,218.76

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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.