Home / 2,176,064.80-3,264,404.40-680,000.80

Finding the Fourth Proportional to 2,176,064.80, 3,264,404.40 and 680,000.80

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Solution

The fourth proportional to 2,176,064.80, 3,264,404.40 and 680,000.80 is: 1,020,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,064.80 : 3,264,404.40 = 680,000.80 : x
  2. Step 2: Convert to fraction form
    2,176,064.80/3,264,404.40 = 680,000.80/x
  3. Step 3: Cross multiply
    2,176,064.80x = 3,264,404.40 × 680,000.80
  4. Step 4: Simplify right side
    2,176,064.80x = 2,219,797,603,523.52
  5. Step 5: Solve for x
    x = 2,219,797,603,523.52/2,176,064.80
  6. Step 6: Final answer
    x = 1,020,097.20

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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.