Home / 2,808,082.90-4,212,124.35-2,780,089.30

Finding the Fourth Proportional to 2,808,082.90, 4,212,124.35 and 2,780,089.30

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Solution

The fourth proportional to 2,808,082.90, 4,212,124.35 and 2,780,089.30 is: 4,170,133.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,082.90 : 4,212,124.35 = 2,780,089.30 : x
  2. Step 2: Convert to fraction form
    2,808,082.90/4,212,124.35 = 2,780,089.30/x
  3. Step 3: Cross multiply
    2,808,082.90x = 4,212,124.35 × 2,780,089.30
  4. Step 4: Simplify right side
    2,808,082.90x = 11,710,081,835,704.45
  5. Step 5: Solve for x
    x = 11,710,081,835,704.45/2,808,082.90
  6. Step 6: Final answer
    x = 4,170,133.95

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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.