Home / 4,220,878.64-5,824,803.03-2,287,191.56

Finding the Fourth Proportional to 4,220,878.64, 5,824,803.03 and 2,287,191.56

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Solution

The fourth proportional to 4,220,878.64, 5,824,803.03 and 2,287,191.56 is: 3,156,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220,878.64 : 5,824,803.03 = 2,287,191.56 : x
  2. Step 2: Convert to fraction form
    4,220,878.64/5,824,803.03 = 2,287,191.56/x
  3. Step 3: Cross multiply
    4,220,878.64x = 5,824,803.03 × 2,287,191.56
  4. Step 4: Simplify right side
    4,220,878.64x = 13,322,440,328,878.43
  5. Step 5: Solve for x
    x = 13,322,440,328,878.43/4,220,878.64
  6. Step 6: Final answer
    x = 3,156,319.21

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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.