Home / 2,017,673.70-3,026,510.55-1,218,543.90

Finding the Fourth Proportional to 2,017,673.70, 3,026,510.55 and 1,218,543.90

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Solution

The fourth proportional to 2,017,673.70, 3,026,510.55 and 1,218,543.90 is: 1,827,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017,673.70 : 3,026,510.55 = 1,218,543.90 : x
  2. Step 2: Convert to fraction form
    2,017,673.70/3,026,510.55 = 1,218,543.90/x
  3. Step 3: Cross multiply
    2,017,673.70x = 3,026,510.55 × 1,218,543.90
  4. Step 4: Simplify right side
    2,017,673.70x = 3,687,935,968,988.14
  5. Step 5: Solve for x
    x = 3,687,935,968,988.14/2,017,673.70
  6. Step 6: Final answer
    x = 1,827,815.85

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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.