Home / 3,578,777.83-4,938,565.49-1,947,191.54

Finding the Fourth Proportional to 3,578,777.83, 4,938,565.49 and 1,947,191.54

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Solution

The fourth proportional to 3,578,777.83, 4,938,565.49 and 1,947,191.54 is: 2,687,043.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,777.83 : 4,938,565.49 = 1,947,191.54 : x
  2. Step 2: Convert to fraction form
    3,578,777.83/4,938,565.49 = 1,947,191.54/x
  3. Step 3: Cross multiply
    3,578,777.83x = 4,938,565.49 × 1,947,191.54
  4. Step 4: Simplify right side
    3,578,777.83x = 9,616,332,925,690.09
  5. Step 5: Solve for x
    x = 9,616,332,925,690.09/3,578,777.83
  6. Step 6: Final answer
    x = 2,687,043.84

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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.