Home / 2,013,397.40-2,778,488.79-1,107,979.40

Finding the Fourth Proportional to 2,013,397.40, 2,778,488.79 and 1,107,979.40

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Solution

The fourth proportional to 2,013,397.40, 2,778,488.79 and 1,107,979.40 is: 1,529,011.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013,397.40 : 2,778,488.79 = 1,107,979.40 : x
  2. Step 2: Convert to fraction form
    2,013,397.40/2,778,488.79 = 1,107,979.40/x
  3. Step 3: Cross multiply
    2,013,397.40x = 2,778,488.79 × 1,107,979.40
  4. Step 4: Simplify right side
    2,013,397.40x = 3,078,508,342,450.93
  5. Step 5: Solve for x
    x = 3,078,508,342,450.93/2,013,397.40
  6. Step 6: Final answer
    x = 1,529,011.78

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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.