Home / 2,156,876.80-3,237,977.60-1,358,156.80

Finding the Fourth Proportional to 2,156,876.80, 3,237,977.60 and 1,358,156.80

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Solution

The fourth proportional to 2,156,876.80, 3,237,977.60 and 1,358,156.80 is: 2,038,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,876.80 : 3,237,977.60 = 1,358,156.80 : x
  2. Step 2: Convert to fraction form
    2,156,876.80/3,237,977.60 = 1,358,156.80/x
  3. Step 3: Cross multiply
    2,156,876.80x = 3,237,977.60 × 1,358,156.80
  4. Step 4: Simplify right side
    2,156,876.80x = 4,397,681,295,687.68
  5. Step 5: Solve for x
    x = 4,397,681,295,687.68/2,156,876.80
  6. Step 6: Final answer
    x = 2,038,911.68

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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.