Home / 3,111,400.50-4,667,888.07-867,538.50

Finding the Fourth Proportional to 3,111,400.50, 4,667,888.07 and 867,538.50

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Solution

The fourth proportional to 3,111,400.50, 4,667,888.07 and 867,538.50 is: 1,301,527.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,400.50 : 4,667,888.07 = 867,538.50 : x
  2. Step 2: Convert to fraction form
    3,111,400.50/4,667,888.07 = 867,538.50/x
  3. Step 3: Cross multiply
    3,111,400.50x = 4,667,888.07 × 867,538.50
  4. Step 4: Simplify right side
    3,111,400.50x = 4,049,572,614,415.70
  5. Step 5: Solve for x
    x = 4,049,572,614,415.70/3,111,400.50
  6. Step 6: Final answer
    x = 1,301,527.28

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1.5x scale

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.