Home / 3,478,457.80-5,220,278.70-1,794,694.60

Finding the Fourth Proportional to 3,478,457.80, 5,220,278.70 and 1,794,694.60

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Solution

The fourth proportional to 3,478,457.80, 5,220,278.70 and 1,794,694.60 is: 2,693,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,457.80 : 5,220,278.70 = 1,794,694.60 : x
  2. Step 2: Convert to fraction form
    3,478,457.80/5,220,278.70 = 1,794,694.60/x
  3. Step 3: Cross multiply
    3,478,457.80x = 5,220,278.70 × 1,794,694.60
  4. Step 4: Simplify right side
    3,478,457.80x = 9,368,805,993,385.02
  5. Step 5: Solve for x
    x = 9,368,805,993,385.02/3,478,457.80
  6. Step 6: Final answer
    x = 2,693,379.23

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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.