Home / 3,669,341.20-5,501,387.40-1,645,928.80

Finding the Fourth Proportional to 3,669,341.20, 5,501,387.40 and 1,645,928.80

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Solution

The fourth proportional to 3,669,341.20, 5,501,387.40 and 1,645,928.80 is: 2,467,715.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,341.20 : 5,501,387.40 = 1,645,928.80 : x
  2. Step 2: Convert to fraction form
    3,669,341.20/5,501,387.40 = 1,645,928.80/x
  3. Step 3: Cross multiply
    3,669,341.20x = 5,501,387.40 × 1,645,928.80
  4. Step 4: Simplify right side
    3,669,341.20x = 9,054,891,961,617.12
  5. Step 5: Solve for x
    x = 9,054,891,961,617.12/3,669,341.20
  6. Step 6: Final answer
    x = 2,467,715.99

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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.