Home / 2,919,661.46-4,029,472.76-2,428,763.80

Finding the Fourth Proportional to 2,919,661.46, 4,029,472.76 and 2,428,763.80

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Solution

The fourth proportional to 2,919,661.46, 4,029,472.76 and 2,428,763.80 is: 3,351,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919,661.46 : 4,029,472.76 = 2,428,763.80 : x
  2. Step 2: Convert to fraction form
    2,919,661.46/4,029,472.76 = 2,428,763.80/x
  3. Step 3: Cross multiply
    2,919,661.46x = 4,029,472.76 × 2,428,763.80
  4. Step 4: Simplify right side
    2,919,661.46x = 9,786,637,572,574.09
  5. Step 5: Solve for x
    x = 9,786,637,572,574.09/2,919,661.46
  6. Step 6: Final answer
    x = 3,351,976.83

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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.