Home / 4,715,913.78-7,075,248.48-1,520,969.22

Finding the Fourth Proportional to 4,715,913.78, 7,075,248.48 and 1,520,969.22

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Solution

The fourth proportional to 4,715,913.78, 7,075,248.48 and 1,520,969.22 is: 2,281,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715,913.78 : 7,075,248.48 = 1,520,969.22 : x
  2. Step 2: Convert to fraction form
    4,715,913.78/7,075,248.48 = 1,520,969.22/x
  3. Step 3: Cross multiply
    4,715,913.78x = 7,075,248.48 × 1,520,969.22
  4. Step 4: Simplify right side
    4,715,913.78x = 10,761,235,161,931.79
  5. Step 5: Solve for x
    x = 10,761,235,161,931.79/4,715,913.78
  6. Step 6: Final answer
    x = 2,281,898.20

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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.