Home / 2,839,386.80-4,259,080.20-2,607,143.60

Finding the Fourth Proportional to 2,839,386.80, 4,259,080.20 and 2,607,143.60

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Solution

The fourth proportional to 2,839,386.80, 4,259,080.20 and 2,607,143.60 is: 3,910,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,386.80 : 4,259,080.20 = 2,607,143.60 : x
  2. Step 2: Convert to fraction form
    2,839,386.80/4,259,080.20 = 2,607,143.60/x
  3. Step 3: Cross multiply
    2,839,386.80x = 4,259,080.20 × 2,607,143.60
  4. Step 4: Simplify right side
    2,839,386.80x = 11,104,033,685,316.72
  5. Step 5: Solve for x
    x = 11,104,033,685,316.72/2,839,386.80
  6. Step 6: Final answer
    x = 3,910,715.40

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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.