Home / 2,731,312.80-4,099,447.80-1,384,412.40

Finding the Fourth Proportional to 2,731,312.80, 4,099,447.80 and 1,384,412.40

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Solution

The fourth proportional to 2,731,312.80, 4,099,447.80 and 1,384,412.40 is: 2,077,874.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,312.80 : 4,099,447.80 = 1,384,412.40 : x
  2. Step 2: Convert to fraction form
    2,731,312.80/4,099,447.80 = 1,384,412.40/x
  3. Step 3: Cross multiply
    2,731,312.80x = 4,099,447.80 × 1,384,412.40
  4. Step 4: Simplify right side
    2,731,312.80x = 5,675,326,367,472.72
  5. Step 5: Solve for x
    x = 5,675,326,367,472.72/2,731,312.80
  6. Step 6: Final answer
    x = 2,077,874.92

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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.