Home / 2,909,956.39-4,357,481.67-2,428,988.31

Finding the Fourth Proportional to 2,909,956.39, 4,357,481.67 and 2,428,988.31

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Solution

The fourth proportional to 2,909,956.39, 4,357,481.67 and 2,428,988.31 is: 3,637,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,956.39 : 4,357,481.67 = 2,428,988.31 : x
  2. Step 2: Convert to fraction form
    2,909,956.39/4,357,481.67 = 2,428,988.31/x
  3. Step 3: Cross multiply
    2,909,956.39x = 4,357,481.67 × 2,428,988.31
  4. Step 4: Simplify right side
    2,909,956.39x = 10,584,272,037,469.28
  5. Step 5: Solve for x
    x = 10,584,272,037,469.28/2,909,956.39
  6. Step 6: Final answer
    x = 3,637,261.40

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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.