Home / 3,452,021.40-5,178,032.10-1,208,386.20

Finding the Fourth Proportional to 3,452,021.40, 5,178,032.10 and 1,208,386.20

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Solution

The fourth proportional to 3,452,021.40, 5,178,032.10 and 1,208,386.20 is: 1,812,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452,021.40 : 5,178,032.10 = 1,208,386.20 : x
  2. Step 2: Convert to fraction form
    3,452,021.40/5,178,032.10 = 1,208,386.20/x
  3. Step 3: Cross multiply
    3,452,021.40x = 5,178,032.10 × 1,208,386.20
  4. Step 4: Simplify right side
    3,452,021.40x = 6,257,062,532,797.02
  5. Step 5: Solve for x
    x = 6,257,062,532,797.02/3,452,021.40
  6. Step 6: Final answer
    x = 1,812,579.30

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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.