Home / 2,887,273-4,328,913.66-2,078,154.28

Finding the Fourth Proportional to 2,887,273, 4,328,913.66 and 2,078,154.28

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Solution

The fourth proportional to 2,887,273, 4,328,913.66 and 2,078,154.28 is: 3,115,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,273 : 4,328,913.66 = 2,078,154.28 : x
  2. Step 2: Convert to fraction form
    2,887,273/4,328,913.66 = 2,078,154.28/x
  3. Step 3: Cross multiply
    2,887,273x = 4,328,913.66 × 2,078,154.28
  4. Step 4: Simplify right side
    2,887,273x = 8,996,150,450,279.47
  5. Step 5: Solve for x
    x = 8,996,150,450,279.47/2,887,273
  6. Step 6: Final answer
    x = 3,115,794.89

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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.