Home / 2,719,477.64-4,079,681.20-1,121,167.01

Finding the Fourth Proportional to 2,719,477.64, 4,079,681.20 and 1,121,167.01

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Solution

The fourth proportional to 2,719,477.64, 4,079,681.20 and 1,121,167.01 is: 1,681,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,477.64 : 4,079,681.20 = 1,121,167.01 : x
  2. Step 2: Convert to fraction form
    2,719,477.64/4,079,681.20 = 1,121,167.01/x
  3. Step 3: Cross multiply
    2,719,477.64x = 4,079,681.20 × 1,121,167.01
  4. Step 4: Simplify right side
    2,719,477.64x = 4,574,003,967,151.38
  5. Step 5: Solve for x
    x = 4,574,003,967,151.38/2,719,477.64
  6. Step 6: Final answer
    x = 1,681,942.11

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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.