Home / 2,079,806.40-3,113,488.80-1,956,772.80

Finding the Fourth Proportional to 2,079,806.40, 3,113,488.80 and 1,956,772.80

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Solution

The fourth proportional to 2,079,806.40, 3,113,488.80 and 1,956,772.80 is: 2,929,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,806.40 : 3,113,488.80 = 1,956,772.80 : x
  2. Step 2: Convert to fraction form
    2,079,806.40/3,113,488.80 = 1,956,772.80/x
  3. Step 3: Cross multiply
    2,079,806.40x = 3,113,488.80 × 1,956,772.80
  4. Step 4: Simplify right side
    2,079,806.40x = 6,092,390,196,944.64
  5. Step 5: Solve for x
    x = 6,092,390,196,944.64/2,079,806.40
  6. Step 6: Final answer
    x = 2,929,306.40

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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.