Home / 1,939,796.64-2,676,853.44-1,080,312.48

Finding the Fourth Proportional to 1,939,796.64, 2,676,853.44 and 1,080,312.48

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Solution

The fourth proportional to 1,939,796.64, 2,676,853.44 and 1,080,312.48 is: 1,490,794.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,796.64 : 2,676,853.44 = 1,080,312.48 : x
  2. Step 2: Convert to fraction form
    1,939,796.64/2,676,853.44 = 1,080,312.48/x
  3. Step 3: Cross multiply
    1,939,796.64x = 2,676,853.44 × 1,080,312.48
  4. Step 4: Simplify right side
    1,939,796.64x = 2,891,838,178,362.93
  5. Step 5: Solve for x
    x = 2,891,838,178,362.93/1,939,796.64
  6. Step 6: Final answer
    x = 1,490,794.51

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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.