Home / 3,016,029.47-4,160,459.72-1,911,440.03

Finding the Fourth Proportional to 3,016,029.47, 4,160,459.72 and 1,911,440.03

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Solution

The fourth proportional to 3,016,029.47, 4,160,459.72 and 1,911,440.03 is: 2,636,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016,029.47 : 4,160,459.72 = 1,911,440.03 : x
  2. Step 2: Convert to fraction form
    3,016,029.47/4,160,459.72 = 1,911,440.03/x
  3. Step 3: Cross multiply
    3,016,029.47x = 4,160,459.72 × 1,911,440.03
  4. Step 4: Simplify right side
    3,016,029.47x = 7,952,469,242,453.39
  5. Step 5: Solve for x
    x = 7,952,469,242,453.39/3,016,029.47
  6. Step 6: Final answer
    x = 2,636,734.59

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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.