Home / 2,229,901.85-3,077,872.43-1,312,425.38

Finding the Fourth Proportional to 2,229,901.85, 3,077,872.43 and 1,312,425.38

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Solution

The fourth proportional to 2,229,901.85, 3,077,872.43 and 1,312,425.38 is: 1,811,504.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229,901.85 : 3,077,872.43 = 1,312,425.38 : x
  2. Step 2: Convert to fraction form
    2,229,901.85/3,077,872.43 = 1,312,425.38/x
  3. Step 3: Cross multiply
    2,229,901.85x = 3,077,872.43 × 1,312,425.38
  4. Step 4: Simplify right side
    2,229,901.85x = 4,039,477,894,666.83
  5. Step 5: Solve for x
    x = 4,039,477,894,666.83/2,229,901.85
  6. Step 6: Final answer
    x = 1,811,504.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.