Home / 3,525,310.80-5,287,966.20-865,918.80

Finding the Fourth Proportional to 3,525,310.80, 5,287,966.20 and 865,918.80

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Solution

The fourth proportional to 3,525,310.80, 5,287,966.20 and 865,918.80 is: 1,298,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525,310.80 : 5,287,966.20 = 865,918.80 : x
  2. Step 2: Convert to fraction form
    3,525,310.80/5,287,966.20 = 865,918.80/x
  3. Step 3: Cross multiply
    3,525,310.80x = 5,287,966.20 × 865,918.80
  4. Step 4: Simplify right side
    3,525,310.80x = 4,578,949,346,344.56
  5. Step 5: Solve for x
    x = 4,578,949,346,344.56/3,525,310.80
  6. Step 6: Final answer
    x = 1,298,878.20

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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.