Home / 2,719,478.14-4,079,681.95-1,121,167.51

Finding the Fourth Proportional to 2,719,478.14, 4,079,681.95 and 1,121,167.51

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Solution

The fourth proportional to 2,719,478.14, 4,079,681.95 and 1,121,167.51 is: 1,681,942.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,478.14 : 4,079,681.95 = 1,121,167.51 : x
  2. Step 2: Convert to fraction form
    2,719,478.14/4,079,681.95 = 1,121,167.51/x
  3. Step 3: Cross multiply
    2,719,478.14x = 4,079,681.95 × 1,121,167.51
  4. Step 4: Simplify right side
    2,719,478.14x = 4,574,006,847,867.61
  5. Step 5: Solve for x
    x = 4,574,006,847,867.61/2,719,478.14
  6. Step 6: Final answer
    x = 1,681,942.86

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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.