Home / 1,685,770.20-2,528,655.30-1,675,272.60

Finding the Fourth Proportional to 1,685,770.20, 2,528,655.30 and 1,675,272.60

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Solution

The fourth proportional to 1,685,770.20, 2,528,655.30 and 1,675,272.60 is: 2,512,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,770.20 : 2,528,655.30 = 1,675,272.60 : x
  2. Step 2: Convert to fraction form
    1,685,770.20/2,528,655.30 = 1,675,272.60/x
  3. Step 3: Cross multiply
    1,685,770.20x = 2,528,655.30 × 1,675,272.60
  4. Step 4: Simplify right side
    1,685,770.20x = 4,236,186,938,934.78
  5. Step 5: Solve for x
    x = 4,236,186,938,934.78/1,685,770.20
  6. Step 6: Final answer
    x = 2,512,908.90

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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.