Home / 2,205,655.20-3,308,482.80-787,312.80

Finding the Fourth Proportional to 2,205,655.20, 3,308,482.80 and 787,312.80

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Solution

The fourth proportional to 2,205,655.20, 3,308,482.80 and 787,312.80 is: 1,180,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,655.20 : 3,308,482.80 = 787,312.80 : x
  2. Step 2: Convert to fraction form
    2,205,655.20/3,308,482.80 = 787,312.80/x
  3. Step 3: Cross multiply
    2,205,655.20x = 3,308,482.80 × 787,312.80
  4. Step 4: Simplify right side
    2,205,655.20x = 2,604,810,857,019.84
  5. Step 5: Solve for x
    x = 2,604,810,857,019.84/2,205,655.20
  6. Step 6: Final answer
    x = 1,180,969.20

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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.