Home / 2,700,911.20-4,045,923.60-1,686,920.80

Finding the Fourth Proportional to 2,700,911.20, 4,045,923.60 and 1,686,920.80

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Solution

The fourth proportional to 2,700,911.20, 4,045,923.60 and 1,686,920.80 is: 2,526,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700,911.20 : 4,045,923.60 = 1,686,920.80 : x
  2. Step 2: Convert to fraction form
    2,700,911.20/4,045,923.60 = 1,686,920.80/x
  3. Step 3: Cross multiply
    2,700,911.20x = 4,045,923.60 × 1,686,920.80
  4. Step 4: Simplify right side
    2,700,911.20x = 6,825,152,676,050.88
  5. Step 5: Solve for x
    x = 6,825,152,676,050.88/2,700,911.20
  6. Step 6: Final answer
    x = 2,526,981.51

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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.