Home / 2,191,653.30-3,287,806.56-675,209.40

Finding the Fourth Proportional to 2,191,653.30, 3,287,806.56 and 675,209.40

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Solution

The fourth proportional to 2,191,653.30, 3,287,806.56 and 675,209.40 is: 1,012,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,653.30 : 3,287,806.56 = 675,209.40 : x
  2. Step 2: Convert to fraction form
    2,191,653.30/3,287,806.56 = 675,209.40/x
  3. Step 3: Cross multiply
    2,191,653.30x = 3,287,806.56 × 675,209.40
  4. Step 4: Simplify right side
    2,191,653.30x = 2,219,957,894,693.66
  5. Step 5: Solve for x
    x = 2,219,957,894,693.66/2,191,653.30
  6. Step 6: Final answer
    x = 1,012,914.72

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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.