Home / 2,799,218.85-4,199,494.50-905,960.22

Finding the Fourth Proportional to 2,799,218.85, 4,199,494.50 and 905,960.22

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Solution

The fourth proportional to 2,799,218.85, 4,199,494.50 and 905,960.22 is: 1,359,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,218.85 : 4,199,494.50 = 905,960.22 : x
  2. Step 2: Convert to fraction form
    2,799,218.85/4,199,494.50 = 905,960.22/x
  3. Step 3: Cross multiply
    2,799,218.85x = 4,199,494.50 × 905,960.22
  4. Step 4: Simplify right side
    2,799,218.85x = 3,804,574,961,108.79
  5. Step 5: Solve for x
    x = 3,804,574,961,108.79/2,799,218.85
  6. Step 6: Final answer
    x = 1,359,155.95

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1.5x scale

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.