Home / 3,213,704.79-4,820,584.50-817,551.45

Finding the Fourth Proportional to 3,213,704.79, 4,820,584.50 and 817,551.45

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Solution

The fourth proportional to 3,213,704.79, 4,820,584.50 and 817,551.45 is: 1,226,334.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,704.79 : 4,820,584.50 = 817,551.45 : x
  2. Step 2: Convert to fraction form
    3,213,704.79/4,820,584.50 = 817,551.45/x
  3. Step 3: Cross multiply
    3,213,704.79x = 4,820,584.50 × 817,551.45
  4. Step 4: Simplify right side
    3,213,704.79x = 3,941,075,847,822.53
  5. Step 5: Solve for x
    x = 3,941,075,847,822.53/3,213,704.79
  6. Step 6: Final answer
    x = 1,226,334.12

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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.