Home / 2,109,670.56-2,911,359.36-1,142,800.88

Finding the Fourth Proportional to 2,109,670.56, 2,911,359.36 and 1,142,800.88

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Solution

The fourth proportional to 2,109,670.56, 2,911,359.36 and 1,142,800.88 is: 1,577,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,670.56 : 2,911,359.36 = 1,142,800.88 : x
  2. Step 2: Convert to fraction form
    2,109,670.56/2,911,359.36 = 1,142,800.88/x
  3. Step 3: Cross multiply
    2,109,670.56x = 2,911,359.36 × 1,142,800.88
  4. Step 4: Simplify right side
    2,109,670.56x = 3,327,104,038,604.24
  5. Step 5: Solve for x
    x = 3,327,104,038,604.24/2,109,670.56
  6. Step 6: Final answer
    x = 1,577,072.79

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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.