Home / 2,778,645.16-4,167,889.98-885,500.20

Finding the Fourth Proportional to 2,778,645.16, 4,167,889.98 and 885,500.20

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Solution

The fourth proportional to 2,778,645.16, 4,167,889.98 and 885,500.20 is: 1,328,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,645.16 : 4,167,889.98 = 885,500.20 : x
  2. Step 2: Convert to fraction form
    2,778,645.16/4,167,889.98 = 885,500.20/x
  3. Step 3: Cross multiply
    2,778,645.16x = 4,167,889.98 × 885,500.20
  4. Step 4: Simplify right side
    2,778,645.16x = 3,690,667,410,868.00
  5. Step 5: Solve for x
    x = 3,690,667,410,868.00/2,778,645.16
  6. Step 6: Final answer
    x = 1,328,225.52

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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.