Home / 2,176,195.60-3,262,738.20-977,136.40

Finding the Fourth Proportional to 2,176,195.60, 3,262,738.20 and 977,136.40

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Solution

The fourth proportional to 2,176,195.60, 3,262,738.20 and 977,136.40 is: 1,465,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,195.60 : 3,262,738.20 = 977,136.40 : x
  2. Step 2: Convert to fraction form
    2,176,195.60/3,262,738.20 = 977,136.40/x
  3. Step 3: Cross multiply
    2,176,195.60x = 3,262,738.20 × 977,136.40
  4. Step 4: Simplify right side
    2,176,195.60x = 3,188,140,258,890.48
  5. Step 5: Solve for x
    x = 3,188,140,258,890.48/2,176,195.60
  6. Step 6: Final answer
    x = 1,465,006.30

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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.