Home / 3,452,457.80-5,178,686.70-2,195,856.20

Finding the Fourth Proportional to 3,452,457.80, 5,178,686.70 and 2,195,856.20

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Solution

The fourth proportional to 3,452,457.80, 5,178,686.70 and 2,195,856.20 is: 3,293,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452,457.80 : 5,178,686.70 = 2,195,856.20 : x
  2. Step 2: Convert to fraction form
    3,452,457.80/5,178,686.70 = 2,195,856.20/x
  3. Step 3: Cross multiply
    3,452,457.80x = 5,178,686.70 × 2,195,856.20
  4. Step 4: Simplify right side
    3,452,457.80x = 11,371,651,298,052.54
  5. Step 5: Solve for x
    x = 11,371,651,298,052.54/3,452,457.80
  6. Step 6: Final answer
    x = 3,293,784.30

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Double scale
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Similar ratio
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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.