Home / 2,140,933.51-3,211,400.27-720,870.67

Finding the Fourth Proportional to 2,140,933.51, 3,211,400.27 and 720,870.67

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Solution

The fourth proportional to 2,140,933.51, 3,211,400.27 and 720,870.67 is: 1,081,306.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,933.51 : 3,211,400.27 = 720,870.67 : x
  2. Step 2: Convert to fraction form
    2,140,933.51/3,211,400.27 = 720,870.67/x
  3. Step 3: Cross multiply
    2,140,933.51x = 3,211,400.27 × 720,870.67
  4. Step 4: Simplify right side
    2,140,933.51x = 2,315,004,264,273.08
  5. Step 5: Solve for x
    x = 2,315,004,264,273.08/2,140,933.51
  6. Step 6: Final answer
    x = 1,081,306.01

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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.