Home / 2,772,559.65-3,820,682.07-2,119,925.13

Finding the Fourth Proportional to 2,772,559.65, 3,820,682.07 and 2,119,925.13

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Solution

The fourth proportional to 2,772,559.65, 3,820,682.07 and 2,119,925.13 is: 2,921,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,559.65 : 3,820,682.07 = 2,119,925.13 : x
  2. Step 2: Convert to fraction form
    2,772,559.65/3,820,682.07 = 2,119,925.13/x
  3. Step 3: Cross multiply
    2,772,559.65x = 3,820,682.07 × 2,119,925.13
  4. Step 4: Simplify right side
    2,772,559.65x = 8,099,559,933,933.42
  5. Step 5: Solve for x
    x = 8,099,559,933,933.42/2,772,559.65
  6. Step 6: Final answer
    x = 2,921,329.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.