Home / 1,980,133.86-2,732,116.36-1,120,694.10

Finding the Fourth Proportional to 1,980,133.86, 2,732,116.36 and 1,120,694.10

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Solution

The fourth proportional to 1,980,133.86, 2,732,116.36 and 1,120,694.10 is: 1,546,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,133.86 : 2,732,116.36 = 1,120,694.10 : x
  2. Step 2: Convert to fraction form
    1,980,133.86/2,732,116.36 = 1,120,694.10/x
  3. Step 3: Cross multiply
    1,980,133.86x = 2,732,116.36 × 1,120,694.10
  4. Step 4: Simplify right side
    1,980,133.86x = 3,061,866,685,165.48
  5. Step 5: Solve for x
    x = 3,061,866,685,165.48/1,980,133.86
  6. Step 6: Final answer
    x = 1,546,292.78

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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.