Home / 2,117,001.20-2,920,818.02-1,199,084.49

Finding the Fourth Proportional to 2,117,001.20, 2,920,818.02 and 1,199,084.49

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Solution

The fourth proportional to 2,117,001.20, 2,920,818.02 and 1,199,084.49 is: 1,654,372.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,001.20 : 2,920,818.02 = 1,199,084.49 : x
  2. Step 2: Convert to fraction form
    2,117,001.20/2,920,818.02 = 1,199,084.49/x
  3. Step 3: Cross multiply
    2,117,001.20x = 2,920,818.02 × 1,199,084.49
  4. Step 4: Simplify right side
    2,117,001.20x = 3,502,307,579,899.09
  5. Step 5: Solve for x
    x = 3,502,307,579,899.09/2,117,001.20
  6. Step 6: Final answer
    x = 1,654,372.04

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1.5x scale

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.