Home / 1,909,517.12-2,864,275.52-909,212.48

Finding the Fourth Proportional to 1,909,517.12, 2,864,275.52 and 909,212.48

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Solution

The fourth proportional to 1,909,517.12, 2,864,275.52 and 909,212.48 is: 1,363,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,517.12 : 2,864,275.52 = 909,212.48 : x
  2. Step 2: Convert to fraction form
    1,909,517.12/2,864,275.52 = 909,212.48/x
  3. Step 3: Cross multiply
    1,909,517.12x = 2,864,275.52 × 909,212.48
  4. Step 4: Simplify right side
    1,909,517.12x = 2,604,235,048,942.49
  5. Step 5: Solve for x
    x = 2,604,235,048,942.49/1,909,517.12
  6. Step 6: Final answer
    x = 1,363,818.64

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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.