Home / 5,205,808.20-7,809,878.70-2,010,649.80

Finding the Fourth Proportional to 5,205,808.20, 7,809,878.70 and 2,010,649.80

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Solution

The fourth proportional to 5,205,808.20, 7,809,878.70 and 2,010,649.80 is: 3,016,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205,808.20 : 7,809,878.70 = 2,010,649.80 : x
  2. Step 2: Convert to fraction form
    5,205,808.20/7,809,878.70 = 2,010,649.80/x
  3. Step 3: Cross multiply
    5,205,808.20x = 7,809,878.70 × 2,010,649.80
  4. Step 4: Simplify right side
    5,205,808.20x = 15,702,931,046,179.26
  5. Step 5: Solve for x
    x = 15,702,931,046,179.26/5,205,808.20
  6. Step 6: Final answer
    x = 3,016,425.20

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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.