Home / 2,665,774.80-3,996,037.80-1,318,145.40

Finding the Fourth Proportional to 2,665,774.80, 3,996,037.80 and 1,318,145.40

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Solution

The fourth proportional to 2,665,774.80, 3,996,037.80 and 1,318,145.40 is: 1,975,920.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,774.80 : 3,996,037.80 = 1,318,145.40 : x
  2. Step 2: Convert to fraction form
    2,665,774.80/3,996,037.80 = 1,318,145.40/x
  3. Step 3: Cross multiply
    2,665,774.80x = 3,996,037.80 × 1,318,145.40
  4. Step 4: Simplify right side
    2,665,774.80x = 5,267,358,844,296.12
  5. Step 5: Solve for x
    x = 5,267,358,844,296.12/2,665,774.80
  6. Step 6: Final answer
    x = 1,975,920.41

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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.