Home / 3,622,915.20-4,999,674.30-1,991,473.40

Finding the Fourth Proportional to 3,622,915.20, 4,999,674.30 and 1,991,473.40

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Solution

The fourth proportional to 3,622,915.20, 4,999,674.30 and 1,991,473.40 is: 2,748,261.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,915.20 : 4,999,674.30 = 1,991,473.40 : x
  2. Step 2: Convert to fraction form
    3,622,915.20/4,999,674.30 = 1,991,473.40/x
  3. Step 3: Cross multiply
    3,622,915.20x = 4,999,674.30 × 1,991,473.40
  4. Step 4: Simplify right side
    3,622,915.20x = 9,956,718,377,113.62
  5. Step 5: Solve for x
    x = 9,956,718,377,113.62/3,622,915.20
  6. Step 6: Final answer
    x = 2,748,261.50

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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.