Home / 3,418,735.36-5,126,209.59-1,398,397.72

Finding the Fourth Proportional to 3,418,735.36, 5,126,209.59 and 1,398,397.72

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Solution

The fourth proportional to 3,418,735.36, 5,126,209.59 and 1,398,397.72 is: 2,096,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,735.36 : 5,126,209.59 = 1,398,397.72 : x
  2. Step 2: Convert to fraction form
    3,418,735.36/5,126,209.59 = 1,398,397.72/x
  3. Step 3: Cross multiply
    3,418,735.36x = 5,126,209.59 × 1,398,397.72
  4. Step 4: Simplify right side
    3,418,735.36x = 7,168,479,802,898.14
  5. Step 5: Solve for x
    x = 7,168,479,802,898.14/3,418,735.36
  6. Step 6: Final answer
    x = 2,096,822.08

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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.