Home / 2,116,383.48-2,920,630.64-1,149,532.65

Finding the Fourth Proportional to 2,116,383.48, 2,920,630.64 and 1,149,532.65

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Solution

The fourth proportional to 2,116,383.48, 2,920,630.64 and 1,149,532.65 is: 1,586,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,383.48 : 2,920,630.64 = 1,149,532.65 : x
  2. Step 2: Convert to fraction form
    2,116,383.48/2,920,630.64 = 1,149,532.65/x
  3. Step 3: Cross multiply
    2,116,383.48x = 2,920,630.64 × 1,149,532.65
  4. Step 4: Simplify right side
    2,116,383.48x = 3,357,360,273,522.73
  5. Step 5: Solve for x
    x = 3,357,360,273,522.73/2,116,383.48
  6. Step 6: Final answer
    x = 1,586,366.70

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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.