Home / 2,777,720.80-3,833,403.54-1,553,953.32

Finding the Fourth Proportional to 2,777,720.80, 3,833,403.54 and 1,553,953.32

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Solution

The fourth proportional to 2,777,720.80, 3,833,403.54 and 1,553,953.32 is: 2,144,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,720.80 : 3,833,403.54 = 1,553,953.32 : x
  2. Step 2: Convert to fraction form
    2,777,720.80/3,833,403.54 = 1,553,953.32/x
  3. Step 3: Cross multiply
    2,777,720.80x = 3,833,403.54 × 1,553,953.32
  4. Step 4: Simplify right side
    2,777,720.80x = 5,956,930,157,882.75
  5. Step 5: Solve for x
    x = 5,956,930,157,882.75/2,777,720.80
  6. Step 6: Final answer
    x = 2,144,538.85

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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.