Home / 2,209,812-3,314,708.55-612,370.50

Finding the Fourth Proportional to 2,209,812, 3,314,708.55 and 612,370.50

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Solution

The fourth proportional to 2,209,812, 3,314,708.55 and 612,370.50 is: 918,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,812 : 3,314,708.55 = 612,370.50 : x
  2. Step 2: Convert to fraction form
    2,209,812/3,314,708.55 = 612,370.50/x
  3. Step 3: Cross multiply
    2,209,812x = 3,314,708.55 × 612,370.50
  4. Step 4: Simplify right side
    2,209,812x = 2,029,829,732,117.78
  5. Step 5: Solve for x
    x = 2,029,829,732,117.78/2,209,812
  6. Step 6: Final answer
    x = 918,553.13

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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.