Home / 5,254,643.90-7,881,965.85-2,857,562.30

Finding the Fourth Proportional to 5,254,643.90, 7,881,965.85 and 2,857,562.30

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Solution

The fourth proportional to 5,254,643.90, 7,881,965.85 and 2,857,562.30 is: 4,286,343.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254,643.90 : 7,881,965.85 = 2,857,562.30 : x
  2. Step 2: Convert to fraction form
    5,254,643.90/7,881,965.85 = 2,857,562.30/x
  3. Step 3: Cross multiply
    5,254,643.90x = 7,881,965.85 × 2,857,562.30
  4. Step 4: Simplify right side
    5,254,643.90x = 22,523,208,462,847.45
  5. Step 5: Solve for x
    x = 22,523,208,462,847.45/5,254,643.90
  6. Step 6: Final answer
    x = 4,286,343.45

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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.