Home / 2,780,577.56-3,836,305.32-1,556,703.20

Finding the Fourth Proportional to 2,780,577.56, 3,836,305.32 and 1,556,703.20

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Solution

The fourth proportional to 2,780,577.56, 3,836,305.32 and 1,556,703.20 is: 2,147,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,577.56 : 3,836,305.32 = 1,556,703.20 : x
  2. Step 2: Convert to fraction form
    2,780,577.56/3,836,305.32 = 1,556,703.20/x
  3. Step 3: Cross multiply
    2,780,577.56x = 3,836,305.32 × 1,556,703.20
  4. Step 4: Simplify right side
    2,780,577.56x = 5,971,988,767,821.02
  5. Step 5: Solve for x
    x = 5,971,988,767,821.02/2,780,577.56
  6. Step 6: Final answer
    x = 2,147,751.19

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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.