Home / 4,715,909.78-7,075,242.48-1,520,965.22

Finding the Fourth Proportional to 4,715,909.78, 7,075,242.48 and 1,520,965.22

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Solution

The fourth proportional to 4,715,909.78, 7,075,242.48 and 1,520,965.22 is: 2,281,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715,909.78 : 7,075,242.48 = 1,520,965.22 : x
  2. Step 2: Convert to fraction form
    4,715,909.78/7,075,242.48 = 1,520,965.22/x
  3. Step 3: Cross multiply
    4,715,909.78x = 7,075,242.48 × 1,520,965.22
  4. Step 4: Simplify right side
    4,715,909.78x = 10,761,197,735,146.55
  5. Step 5: Solve for x
    x = 10,761,197,735,146.55/4,715,909.78
  6. Step 6: Final answer
    x = 2,281,892.20

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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.