Home / 2,439,550.36-3,659,505.09-642,421.18

Finding the Fourth Proportional to 2,439,550.36, 3,659,505.09 and 642,421.18

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Solution

The fourth proportional to 2,439,550.36, 3,659,505.09 and 642,421.18 is: 963,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439,550.36 : 3,659,505.09 = 642,421.18 : x
  2. Step 2: Convert to fraction form
    2,439,550.36/3,659,505.09 = 642,421.18/x
  3. Step 3: Cross multiply
    2,439,550.36x = 3,659,505.09 × 642,421.18
  4. Step 4: Simplify right side
    2,439,550.36x = 2,350,943,578,133.81
  5. Step 5: Solve for x
    x = 2,350,943,578,133.81/2,439,550.36
  6. Step 6: Final answer
    x = 963,679.05

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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.