Home / 2,126,335-2,934,342.30-1,172,479

Finding the Fourth Proportional to 2,126,335, 2,934,342.30 and 1,172,479

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Solution

The fourth proportional to 2,126,335, 2,934,342.30 and 1,172,479 is: 1,618,021.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,335 : 2,934,342.30 = 1,172,479 : x
  2. Step 2: Convert to fraction form
    2,126,335/2,934,342.30 = 1,172,479/x
  3. Step 3: Cross multiply
    2,126,335x = 2,934,342.30 × 1,172,479
  4. Step 4: Simplify right side
    2,126,335x = 3,440,454,725,561.70
  5. Step 5: Solve for x
    x = 3,440,454,725,561.70/2,126,335
  6. Step 6: Final answer
    x = 1,618,021.02

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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.