Home / 2,191,376.92-3,024,400.56-1,261,065.60

Finding the Fourth Proportional to 2,191,376.92, 3,024,400.56 and 1,261,065.60

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Solution

The fourth proportional to 2,191,376.92, 3,024,400.56 and 1,261,065.60 is: 1,740,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,376.92 : 3,024,400.56 = 1,261,065.60 : x
  2. Step 2: Convert to fraction form
    2,191,376.92/3,024,400.56 = 1,261,065.60/x
  3. Step 3: Cross multiply
    2,191,376.92x = 3,024,400.56 × 1,261,065.60
  4. Step 4: Simplify right side
    2,191,376.92x = 3,813,967,506,836.74
  5. Step 5: Solve for x
    x = 3,813,967,506,836.74/2,191,376.92
  6. Step 6: Final answer
    x = 1,740,443.40

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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.