Home / 3,057,915.61-4,219,834.21-1,681,257.84

Finding the Fourth Proportional to 3,057,915.61, 4,219,834.21 and 1,681,257.84

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Solution

The fourth proportional to 3,057,915.61, 4,219,834.21 and 1,681,257.84 is: 2,320,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057,915.61 : 4,219,834.21 = 1,681,257.84 : x
  2. Step 2: Convert to fraction form
    3,057,915.61/4,219,834.21 = 1,681,257.84/x
  3. Step 3: Cross multiply
    3,057,915.61x = 4,219,834.21 × 1,681,257.84
  4. Step 4: Simplify right side
    3,057,915.61x = 7,094,629,349,062.71
  5. Step 5: Solve for x
    x = 7,094,629,349,062.71/3,057,915.61
  6. Step 6: Final answer
    x = 2,320,086.70

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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.