Home / 3,087,889.32-4,252,478.58-2,779,337.64

Finding the Fourth Proportional to 3,087,889.32, 4,252,478.58 and 2,779,337.64

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Solution

The fourth proportional to 3,087,889.32, 4,252,478.58 and 2,779,337.64 is: 3,827,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,889.32 : 4,252,478.58 = 2,779,337.64 : x
  2. Step 2: Convert to fraction form
    3,087,889.32/4,252,478.58 = 2,779,337.64/x
  3. Step 3: Cross multiply
    3,087,889.32x = 4,252,478.58 × 2,779,337.64
  4. Step 4: Simplify right side
    3,087,889.32x = 11,819,073,780,687.75
  5. Step 5: Solve for x
    x = 11,819,073,780,687.75/3,087,889.32
  6. Step 6: Final answer
    x = 3,827,557.45

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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.