Home / 4,119,022.80-6,179,117.40-1,278,838.80

Finding the Fourth Proportional to 4,119,022.80, 6,179,117.40 and 1,278,838.80

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Solution

The fourth proportional to 4,119,022.80, 6,179,117.40 and 1,278,838.80 is: 1,918,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,022.80 : 6,179,117.40 = 1,278,838.80 : x
  2. Step 2: Convert to fraction form
    4,119,022.80/6,179,117.40 = 1,278,838.80/x
  3. Step 3: Cross multiply
    4,119,022.80x = 6,179,117.40 × 1,278,838.80
  4. Step 4: Simplify right side
    4,119,022.80x = 7,902,095,080,875.12
  5. Step 5: Solve for x
    x = 7,902,095,080,875.12/4,119,022.80
  6. Step 6: Final answer
    x = 1,918,439.27

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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.