Home / 2,751,646.80-4,127,470.20-1,911,838.80

Finding the Fourth Proportional to 2,751,646.80, 4,127,470.20 and 1,911,838.80

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Solution

The fourth proportional to 2,751,646.80, 4,127,470.20 and 1,911,838.80 is: 2,867,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751,646.80 : 4,127,470.20 = 1,911,838.80 : x
  2. Step 2: Convert to fraction form
    2,751,646.80/4,127,470.20 = 1,911,838.80/x
  3. Step 3: Cross multiply
    2,751,646.80x = 4,127,470.20 × 1,911,838.80
  4. Step 4: Simplify right side
    2,751,646.80x = 7,891,057,674,203.76
  5. Step 5: Solve for x
    x = 7,891,057,674,203.76/2,751,646.80
  6. Step 6: Final answer
    x = 2,867,758.20

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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.