Home / 2,013,979.60-3,020,969.40-1,217,717.20

Finding the Fourth Proportional to 2,013,979.60, 3,020,969.40 and 1,217,717.20

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Solution

The fourth proportional to 2,013,979.60, 3,020,969.40 and 1,217,717.20 is: 1,826,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,979.60 : 3,020,969.40 = 1,217,717.20 : x
  2. Step 2: Convert to fraction form
    2,013,979.60/3,020,969.40 = 1,217,717.20/x
  3. Step 3: Cross multiply
    2,013,979.60x = 3,020,969.40 × 1,217,717.20
  4. Step 4: Simplify right side
    2,013,979.60x = 3,678,686,399,053.68
  5. Step 5: Solve for x
    x = 3,678,686,399,053.68/2,013,979.60
  6. Step 6: Final answer
    x = 1,826,575.80

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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.