Home / 3,468,877.56-4,786,930.95-1,920,206.81

Finding the Fourth Proportional to 3,468,877.56, 4,786,930.95 and 1,920,206.81

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Solution

The fourth proportional to 3,468,877.56, 4,786,930.95 and 1,920,206.81 is: 2,649,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468,877.56 : 4,786,930.95 = 1,920,206.81 : x
  2. Step 2: Convert to fraction form
    3,468,877.56/4,786,930.95 = 1,920,206.81/x
  3. Step 3: Cross multiply
    3,468,877.56x = 4,786,930.95 × 1,920,206.81
  4. Step 4: Simplify right side
    3,468,877.56x = 9,191,897,385,255.12
  5. Step 5: Solve for x
    x = 9,191,897,385,255.12/3,468,877.56
  6. Step 6: Final answer
    x = 2,649,818.92

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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.