Home / 2,599,664.40-3,587,469.74-1,438,080.39

Finding the Fourth Proportional to 2,599,664.40, 3,587,469.74 and 1,438,080.39

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Solution

The fourth proportional to 2,599,664.40, 3,587,469.74 and 1,438,080.39 is: 1,984,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599,664.40 : 3,587,469.74 = 1,438,080.39 : x
  2. Step 2: Convert to fraction form
    2,599,664.40/3,587,469.74 = 1,438,080.39/x
  3. Step 3: Cross multiply
    2,599,664.40x = 3,587,469.74 × 1,438,080.39
  4. Step 4: Simplify right side
    2,599,664.40x = 5,159,069,882,812.40
  5. Step 5: Solve for x
    x = 5,159,069,882,812.40/2,599,664.40
  6. Step 6: Final answer
    x = 1,984,513.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.