Home / 3,525,305.80-5,287,958.70-865,913.80

Finding the Fourth Proportional to 3,525,305.80, 5,287,958.70 and 865,913.80

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Solution

The fourth proportional to 3,525,305.80, 5,287,958.70 and 865,913.80 is: 1,298,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525,305.80 : 5,287,958.70 = 865,913.80 : x
  2. Step 2: Convert to fraction form
    3,525,305.80/5,287,958.70 = 865,913.80/x
  3. Step 3: Cross multiply
    3,525,305.80x = 5,287,958.70 × 865,913.80
  4. Step 4: Simplify right side
    3,525,305.80x = 4,578,916,412,160.06
  5. Step 5: Solve for x
    x = 4,578,916,412,160.06/3,525,305.80
  6. Step 6: Final answer
    x = 1,298,870.70

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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.