Home / 3,240,015.40-4,858,856.70-1,642,047.40

Finding the Fourth Proportional to 3,240,015.40, 4,858,856.70 and 1,642,047.40

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Solution

The fourth proportional to 3,240,015.40, 4,858,856.70 and 1,642,047.40 is: 2,462,479.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,015.40 : 4,858,856.70 = 1,642,047.40 : x
  2. Step 2: Convert to fraction form
    3,240,015.40/4,858,856.70 = 1,642,047.40/x
  3. Step 3: Cross multiply
    3,240,015.40x = 4,858,856.70 × 1,642,047.40
  4. Step 4: Simplify right side
    3,240,015.40x = 7,978,473,011,207.58
  5. Step 5: Solve for x
    x = 7,978,473,011,207.58/3,240,015.40
  6. Step 6: Final answer
    x = 2,462,479.97

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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.