Home / 3,087,890.31-4,252,479.96-2,779,338.63

Finding the Fourth Proportional to 3,087,890.31, 4,252,479.96 and 2,779,338.63

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Solution

The fourth proportional to 3,087,890.31, 4,252,479.96 and 2,779,338.63 is: 3,827,558.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,890.31 : 4,252,479.96 = 2,779,338.63 : x
  2. Step 2: Convert to fraction form
    3,087,890.31/4,252,479.96 = 2,779,338.63/x
  3. Step 3: Cross multiply
    3,087,890.31x = 4,252,479.96 × 2,779,338.63
  4. Step 4: Simplify right side
    3,087,890.31x = 11,819,081,826,128.85
  5. Step 5: Solve for x
    x = 11,819,081,826,128.85/3,087,890.31
  6. Step 6: Final answer
    x = 3,827,558.83

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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.