Home / 2,605,468.74-3,902,428.71-2,001,987.78

Finding the Fourth Proportional to 2,605,468.74, 3,902,428.71 and 2,001,987.78

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Solution

The fourth proportional to 2,605,468.74, 3,902,428.71 and 2,001,987.78 is: 2,998,544.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,468.74 : 3,902,428.71 = 2,001,987.78 : x
  2. Step 2: Convert to fraction form
    2,605,468.74/3,902,428.71 = 2,001,987.78/x
  3. Step 3: Cross multiply
    2,605,468.74x = 3,902,428.71 × 2,001,987.78
  4. Step 4: Simplify right side
    2,605,468.74x = 7,812,614,589,741.16
  5. Step 5: Solve for x
    x = 7,812,614,589,741.16/2,605,468.74
  6. Step 6: Final answer
    x = 2,998,544.74

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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.