Home / 2,141,748.02-3,212,633.12-721,816.40

Finding the Fourth Proportional to 2,141,748.02, 3,212,633.12 and 721,816.40

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Solution

The fourth proportional to 2,141,748.02, 3,212,633.12 and 721,816.40 is: 1,082,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,748.02 : 3,212,633.12 = 721,816.40 : x
  2. Step 2: Convert to fraction form
    2,141,748.02/3,212,633.12 = 721,816.40/x
  3. Step 3: Cross multiply
    2,141,748.02x = 3,212,633.12 × 721,816.40
  4. Step 4: Simplify right side
    2,141,748.02x = 2,318,931,273,199.17
  5. Step 5: Solve for x
    x = 2,318,931,273,199.17/2,141,748.02
  6. Step 6: Final answer
    x = 1,082,728.34

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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.