Home / 3,776,673.60-5,666,684.67-1,979,129.70

Finding the Fourth Proportional to 3,776,673.60, 5,666,684.67 and 1,979,129.70

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Solution

The fourth proportional to 3,776,673.60, 5,666,684.67 and 1,979,129.70 is: 2,969,571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776,673.60 : 5,666,684.67 = 1,979,129.70 : x
  2. Step 2: Convert to fraction form
    3,776,673.60/5,666,684.67 = 1,979,129.70/x
  3. Step 3: Cross multiply
    3,776,673.60x = 5,666,684.67 × 1,979,129.70
  4. Step 4: Simplify right side
    3,776,673.60x = 11,215,103,930,931.70
  5. Step 5: Solve for x
    x = 11,215,103,930,931.70/3,776,673.60
  6. Step 6: Final answer
    x = 2,969,571.94

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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.