Home / 2,605,855.60-3,912,282.60-1,663,404.40

Finding the Fourth Proportional to 2,605,855.60, 3,912,282.60 and 1,663,404.40

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Solution

The fourth proportional to 2,605,855.60, 3,912,282.60 and 1,663,404.40 is: 2,497,340.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,855.60 : 3,912,282.60 = 1,663,404.40 : x
  2. Step 2: Convert to fraction form
    2,605,855.60/3,912,282.60 = 1,663,404.40/x
  3. Step 3: Cross multiply
    2,605,855.60x = 3,912,282.60 × 1,663,404.40
  4. Step 4: Simplify right side
    2,605,855.60x = 6,507,708,090,883.44
  5. Step 5: Solve for x
    x = 6,507,708,090,883.44/2,605,855.60
  6. Step 6: Final answer
    x = 2,497,340.26

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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.