Home / 2,751,639.80-4,127,459.70-1,911,831.80

Finding the Fourth Proportional to 2,751,639.80, 4,127,459.70 and 1,911,831.80

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Solution

The fourth proportional to 2,751,639.80, 4,127,459.70 and 1,911,831.80 is: 2,867,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,639.80 : 4,127,459.70 = 1,911,831.80 : x
  2. Step 2: Convert to fraction form
    2,751,639.80/4,127,459.70 = 1,911,831.80/x
  3. Step 3: Cross multiply
    2,751,639.80x = 4,127,459.70 × 1,911,831.80
  4. Step 4: Simplify right side
    2,751,639.80x = 7,891,008,707,678.46
  5. Step 5: Solve for x
    x = 7,891,008,707,678.46/2,751,639.80
  6. Step 6: Final answer
    x = 2,867,747.70

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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.