Home / 3,087,859.68-4,631,646.96-843,991.20

Finding the Fourth Proportional to 3,087,859.68, 4,631,646.96 and 843,991.20

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Solution

The fourth proportional to 3,087,859.68, 4,631,646.96 and 843,991.20 is: 1,265,947.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,859.68 : 4,631,646.96 = 843,991.20 : x
  2. Step 2: Convert to fraction form
    3,087,859.68/4,631,646.96 = 843,991.20/x
  3. Step 3: Cross multiply
    3,087,859.68x = 4,631,646.96 × 843,991.20
  4. Step 4: Simplify right side
    3,087,859.68x = 3,909,069,275,746.75
  5. Step 5: Solve for x
    x = 3,909,069,275,746.75/3,087,859.68
  6. Step 6: Final answer
    x = 1,265,947.83

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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.