Home / 2,912,142.02-4,368,213.05-890,385.98

Finding the Fourth Proportional to 2,912,142.02, 4,368,213.05 and 890,385.98

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Solution

The fourth proportional to 2,912,142.02, 4,368,213.05 and 890,385.98 is: 1,335,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,142.02 : 4,368,213.05 = 890,385.98 : x
  2. Step 2: Convert to fraction form
    2,912,142.02/4,368,213.05 = 890,385.98/x
  3. Step 3: Cross multiply
    2,912,142.02x = 4,368,213.05 × 890,385.98
  4. Step 4: Simplify right side
    2,912,142.02x = 3,889,395,631,080.04
  5. Step 5: Solve for x
    x = 3,889,395,631,080.04/2,912,142.02
  6. Step 6: Final answer
    x = 1,335,578.97

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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.