Home / 1,980,312.63-2,732,760.70-1,120,854.43

Finding the Fourth Proportional to 1,980,312.63, 2,732,760.70 and 1,120,854.43

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Solution

The fourth proportional to 1,980,312.63, 2,732,760.70 and 1,120,854.43 is: 1,546,739.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,312.63 : 2,732,760.70 = 1,120,854.43 : x
  2. Step 2: Convert to fraction form
    1,980,312.63/2,732,760.70 = 1,120,854.43/x
  3. Step 3: Cross multiply
    1,980,312.63x = 2,732,760.70 × 1,120,854.43
  4. Step 4: Simplify right side
    1,980,312.63x = 3,063,026,936,724.90
  5. Step 5: Solve for x
    x = 3,063,026,936,724.90/1,980,312.63
  6. Step 6: Final answer
    x = 1,546,739.08

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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.