Home / 5,279,948.16-7,286,326.56-2,865,500.16

Finding the Fourth Proportional to 5,279,948.16, 7,286,326.56 and 2,865,500.16

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Solution

The fourth proportional to 5,279,948.16, 7,286,326.56 and 2,865,500.16 is: 3,954,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279,948.16 : 7,286,326.56 = 2,865,500.16 : x
  2. Step 2: Convert to fraction form
    5,279,948.16/7,286,326.56 = 2,865,500.16/x
  3. Step 3: Cross multiply
    5,279,948.16x = 7,286,326.56 × 2,865,500.16
  4. Step 4: Simplify right side
    5,279,948.16x = 20,878,969,923,492.25
  5. Step 5: Solve for x
    x = 20,878,969,923,492.25/5,279,948.16
  6. Step 6: Final answer
    x = 3,954,389.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.