Home / 5,254,645.40-7,881,968.10-2,857,563.80

Finding the Fourth Proportional to 5,254,645.40, 7,881,968.10 and 2,857,563.80

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Solution

The fourth proportional to 5,254,645.40, 7,881,968.10 and 2,857,563.80 is: 4,286,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254,645.40 : 7,881,968.10 = 2,857,563.80 : x
  2. Step 2: Convert to fraction form
    5,254,645.40/7,881,968.10 = 2,857,563.80/x
  3. Step 3: Cross multiply
    5,254,645.40x = 7,881,968.10 × 2,857,563.80
  4. Step 4: Simplify right side
    5,254,645.40x = 22,523,226,715,314.78
  5. Step 5: Solve for x
    x = 22,523,226,715,314.78/5,254,645.40
  6. Step 6: Final answer
    x = 4,286,345.70

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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.