Home / 2,679,149.06-3,697,228.92-1,455,455.40

Finding the Fourth Proportional to 2,679,149.06, 3,697,228.92 and 1,455,455.40

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Solution

The fourth proportional to 2,679,149.06, 3,697,228.92 and 1,455,455.40 is: 2,008,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,149.06 : 3,697,228.92 = 1,455,455.40 : x
  2. Step 2: Convert to fraction form
    2,679,149.06/3,697,228.92 = 1,455,455.40/x
  3. Step 3: Cross multiply
    2,679,149.06x = 3,697,228.92 × 1,455,455.40
  4. Step 4: Simplify right side
    2,679,149.06x = 5,381,151,796,650.17
  5. Step 5: Solve for x
    x = 5,381,151,796,650.17/2,679,149.06
  6. Step 6: Final answer
    x = 2,008,530.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.