Home / 2,191,591.79-3,288,259.58-843,392.40

Finding the Fourth Proportional to 2,191,591.79, 3,288,259.58 and 843,392.40

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Solution

The fourth proportional to 2,191,591.79, 3,288,259.58 and 843,392.40 is: 1,265,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,591.79 : 3,288,259.58 = 843,392.40 : x
  2. Step 2: Convert to fraction form
    2,191,591.79/3,288,259.58 = 843,392.40/x
  3. Step 3: Cross multiply
    2,191,591.79x = 3,288,259.58 × 843,392.40
  4. Step 4: Simplify right side
    2,191,591.79x = 2,773,293,134,782.23
  5. Step 5: Solve for x
    x = 2,773,293,134,782.23/2,191,591.79
  6. Step 6: Final answer
    x = 1,265,424.13

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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.