Home / 1,988,777.56-2,744,308.50-1,117,473.88

Finding the Fourth Proportional to 1,988,777.56, 2,744,308.50 and 1,117,473.88

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Solution

The fourth proportional to 1,988,777.56, 2,744,308.50 and 1,117,473.88 is: 1,541,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,777.56 : 2,744,308.50 = 1,117,473.88 : x
  2. Step 2: Convert to fraction form
    1,988,777.56/2,744,308.50 = 1,117,473.88/x
  3. Step 3: Cross multiply
    1,988,777.56x = 2,744,308.50 × 1,117,473.88
  4. Step 4: Simplify right side
    1,988,777.56x = 3,066,693,067,411.98
  5. Step 5: Solve for x
    x = 3,066,693,067,411.98/1,988,777.56
  6. Step 6: Final answer
    x = 1,541,999.03

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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.