Home / 2,100,826.80-3,152,017.80-680,929.20

Finding the Fourth Proportional to 2,100,826.80, 3,152,017.80 and 680,929.20

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Solution

The fourth proportional to 2,100,826.80, 3,152,017.80 and 680,929.20 is: 1,021,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,826.80 : 3,152,017.80 = 680,929.20 : x
  2. Step 2: Convert to fraction form
    2,100,826.80/3,152,017.80 = 680,929.20/x
  3. Step 3: Cross multiply
    2,100,826.80x = 3,152,017.80 × 680,929.20
  4. Step 4: Simplify right side
    2,100,826.80x = 2,146,300,958,939.76
  5. Step 5: Solve for x
    x = 2,146,300,958,939.76/2,100,826.80
  6. Step 6: Final answer
    x = 1,021,645.84

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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.