Home / 2,155,603.20-3,233,404.80-1,777,689.60

Finding the Fourth Proportional to 2,155,603.20, 3,233,404.80 and 1,777,689.60

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Solution

The fourth proportional to 2,155,603.20, 3,233,404.80 and 1,777,689.60 is: 2,666,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,603.20 : 3,233,404.80 = 1,777,689.60 : x
  2. Step 2: Convert to fraction form
    2,155,603.20/3,233,404.80 = 1,777,689.60/x
  3. Step 3: Cross multiply
    2,155,603.20x = 3,233,404.80 × 1,777,689.60
  4. Step 4: Simplify right side
    2,155,603.20x = 5,747,990,085,550.08
  5. Step 5: Solve for x
    x = 5,747,990,085,550.08/2,155,603.20
  6. Step 6: Final answer
    x = 2,666,534.40

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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.