Home / 2,912,000.80-4,367,223.60-890,240.80

Finding the Fourth Proportional to 2,912,000.80, 4,367,223.60 and 890,240.80

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Solution

The fourth proportional to 2,912,000.80, 4,367,223.60 and 890,240.80 is: 1,335,123.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,000.80 : 4,367,223.60 = 890,240.80 : x
  2. Step 2: Convert to fraction form
    2,912,000.80/4,367,223.60 = 890,240.80/x
  3. Step 3: Cross multiply
    2,912,000.80x = 4,367,223.60 × 890,240.80
  4. Step 4: Simplify right side
    2,912,000.80x = 3,887,880,631,442.88
  5. Step 5: Solve for x
    x = 3,887,880,631,442.88/2,912,000.80
  6. Step 6: Final answer
    x = 1,335,123.48

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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.