Home / 4,218,549.12-6,328,121.64-2,088,061.20

Finding the Fourth Proportional to 4,218,549.12, 6,328,121.64 and 2,088,061.20

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Solution

The fourth proportional to 4,218,549.12, 6,328,121.64 and 2,088,061.20 is: 3,132,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218,549.12 : 6,328,121.64 = 2,088,061.20 : x
  2. Step 2: Convert to fraction form
    4,218,549.12/6,328,121.64 = 2,088,061.20/x
  3. Step 3: Cross multiply
    4,218,549.12x = 6,328,121.64 × 2,088,061.20
  4. Step 4: Simplify right side
    4,218,549.12x = 13,213,505,265,364.37
  5. Step 5: Solve for x
    x = 13,213,505,265,364.37/4,218,549.12
  6. Step 6: Final answer
    x = 3,132,239.28

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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.