Home / 3,127,665.40-4,315,939.66-1,750,693.74

Finding the Fourth Proportional to 3,127,665.40, 4,315,939.66 and 1,750,693.74

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Solution

The fourth proportional to 3,127,665.40, 4,315,939.66 and 1,750,693.74 is: 2,415,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,665.40 : 4,315,939.66 = 1,750,693.74 : x
  2. Step 2: Convert to fraction form
    3,127,665.40/4,315,939.66 = 1,750,693.74/x
  3. Step 3: Cross multiply
    3,127,665.40x = 4,315,939.66 × 1,750,693.74
  4. Step 4: Simplify right side
    3,127,665.40x = 7,555,888,544,979.73
  5. Step 5: Solve for x
    x = 7,555,888,544,979.73/3,127,665.40
  6. Step 6: Final answer
    x = 2,415,823.81

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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.