Home / 2,890,141.83-3,984,614.78-2,486,578.64

Finding the Fourth Proportional to 2,890,141.83, 3,984,614.78 and 2,486,578.64

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Solution

The fourth proportional to 2,890,141.83, 3,984,614.78 and 2,486,578.64 is: 3,428,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,141.83 : 3,984,614.78 = 2,486,578.64 : x
  2. Step 2: Convert to fraction form
    2,890,141.83/3,984,614.78 = 2,486,578.64/x
  3. Step 3: Cross multiply
    2,890,141.83x = 3,984,614.78 × 2,486,578.64
  4. Step 4: Simplify right side
    2,890,141.83x = 9,908,057,968,220.33
  5. Step 5: Solve for x
    x = 9,908,057,968,220.33/2,890,141.83
  6. Step 6: Final answer
    x = 3,428,225.52

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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.