Home / 7,281,955.31-10,923,129.79-1,890,486.36

Finding the Fourth Proportional to 7,281,955.31, 10,923,129.79 and 1,890,486.36

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Solution

The fourth proportional to 7,281,955.31, 10,923,129.79 and 1,890,486.36 is: 2,835,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281,955.31 : 10,923,129.79 = 1,890,486.36 : x
  2. Step 2: Convert to fraction form
    7,281,955.31/10,923,129.79 = 1,890,486.36/x
  3. Step 3: Cross multiply
    7,281,955.31x = 10,923,129.79 × 1,890,486.36
  4. Step 4: Simplify right side
    7,281,955.31x = 20,650,027,871,778.45
  5. Step 5: Solve for x
    x = 20,650,027,871,778.45/7,281,955.31
  6. Step 6: Final answer
    x = 2,835,780.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.