Home / 2,912,149.02-4,368,223.54-890,392.98

Finding the Fourth Proportional to 2,912,149.02, 4,368,223.54 and 890,392.98

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Solution

The fourth proportional to 2,912,149.02, 4,368,223.54 and 890,392.98 is: 1,335,589.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,149.02 : 4,368,223.54 = 890,392.98 : x
  2. Step 2: Convert to fraction form
    2,912,149.02/4,368,223.54 = 890,392.98/x
  3. Step 3: Cross multiply
    2,912,149.02x = 4,368,223.54 × 890,392.98
  4. Step 4: Simplify right side
    2,912,149.02x = 3,889,435,575,086.75
  5. Step 5: Solve for x
    x = 3,889,435,575,086.75/2,912,149.02
  6. Step 6: Final answer
    x = 1,335,589.47

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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.