Home / 2,812,211.54-4,216,442.43-918,288.98

Finding the Fourth Proportional to 2,812,211.54, 4,216,442.43 and 918,288.98

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Solution

The fourth proportional to 2,812,211.54, 4,216,442.43 and 918,288.98 is: 1,376,821.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,211.54 : 4,216,442.43 = 918,288.98 : x
  2. Step 2: Convert to fraction form
    2,812,211.54/4,216,442.43 = 918,288.98/x
  3. Step 3: Cross multiply
    2,812,211.54x = 4,216,442.43 × 918,288.98
  4. Step 4: Simplify right side
    2,812,211.54x = 3,871,912,618,273.42
  5. Step 5: Solve for x
    x = 3,871,912,618,273.42/2,812,211.54
  6. Step 6: Final answer
    x = 1,376,821.25

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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.