Home / 4,609,439.13-6,911,945.78-2,178,567.57

Finding the Fourth Proportional to 4,609,439.13, 6,911,945.78 and 2,178,567.57

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Solution

The fourth proportional to 4,609,439.13, 6,911,945.78 and 2,178,567.57 is: 3,266,805.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609,439.13 : 6,911,945.78 = 2,178,567.57 : x
  2. Step 2: Convert to fraction form
    4,609,439.13/6,911,945.78 = 2,178,567.57/x
  3. Step 3: Cross multiply
    4,609,439.13x = 6,911,945.78 × 2,178,567.57
  4. Step 4: Simplify right side
    4,609,439.13x = 15,058,140,911,013.52
  5. Step 5: Solve for x
    x = 15,058,140,911,013.52/4,609,439.13
  6. Step 6: Final answer
    x = 3,266,805.46

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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.