Home / 3,454,486.88-5,186,220.60-2,656,328.92

Finding the Fourth Proportional to 3,454,486.88, 5,186,220.60 and 2,656,328.92

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Solution

The fourth proportional to 3,454,486.88, 5,186,220.60 and 2,656,328.92 is: 3,987,946.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454,486.88 : 5,186,220.60 = 2,656,328.92 : x
  2. Step 2: Convert to fraction form
    3,454,486.88/5,186,220.60 = 2,656,328.92/x
  3. Step 3: Cross multiply
    3,454,486.88x = 5,186,220.60 × 2,656,328.92
  4. Step 4: Simplify right side
    3,454,486.88x = 13,776,307,765,279.75
  5. Step 5: Solve for x
    x = 13,776,307,765,279.75/3,454,486.88
  6. Step 6: Final answer
    x = 3,987,946.18

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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.