Home / 2,920,270.40-4,029,930.56-1,631,128.96

Finding the Fourth Proportional to 2,920,270.40, 4,029,930.56 and 1,631,128.96

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Solution

The fourth proportional to 2,920,270.40, 4,029,930.56 and 1,631,128.96 is: 2,250,934.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,270.40 : 4,029,930.56 = 1,631,128.96 : x
  2. Step 2: Convert to fraction form
    2,920,270.40/4,029,930.56 = 1,631,128.96/x
  3. Step 3: Cross multiply
    2,920,270.40x = 4,029,930.56 × 1,631,128.96
  4. Step 4: Simplify right side
    2,920,270.40x = 6,573,336,443,205.02
  5. Step 5: Solve for x
    x = 6,573,336,443,205.02/2,920,270.40
  6. Step 6: Final answer
    x = 2,250,934.17

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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.