Home / 2,980,319.40-4,112,928.89-2,110,709.88

Finding the Fourth Proportional to 2,980,319.40, 4,112,928.89 and 2,110,709.88

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Solution

The fourth proportional to 2,980,319.40, 4,112,928.89 and 2,110,709.88 is: 2,912,842.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,319.40 : 4,112,928.89 = 2,110,709.88 : x
  2. Step 2: Convert to fraction form
    2,980,319.40/4,112,928.89 = 2,110,709.88/x
  3. Step 3: Cross multiply
    2,980,319.40x = 4,112,928.89 × 2,110,709.88
  4. Step 4: Simplify right side
    2,980,319.40x = 8,681,199,633,306.88
  5. Step 5: Solve for x
    x = 8,681,199,633,306.88/2,980,319.40
  6. Step 6: Final answer
    x = 2,912,842.04

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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.