Home / 2,927,723.08-4,040,257.20-1,638,563.40

Finding the Fourth Proportional to 2,927,723.08, 4,040,257.20 and 1,638,563.40

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Solution

The fourth proportional to 2,927,723.08, 4,040,257.20 and 1,638,563.40 is: 2,261,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,723.08 : 4,040,257.20 = 1,638,563.40 : x
  2. Step 2: Convert to fraction form
    2,927,723.08/4,040,257.20 = 1,638,563.40/x
  3. Step 3: Cross multiply
    2,927,723.08x = 4,040,257.20 × 1,638,563.40
  4. Step 4: Simplify right side
    2,927,723.08x = 6,620,217,574,506.48
  5. Step 5: Solve for x
    x = 6,620,217,574,506.48/2,927,723.08
  6. Step 6: Final answer
    x = 2,261,217.13

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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.