Home / 2,065,615.42-2,849,716.90-1,248,400.32

Finding the Fourth Proportional to 2,065,615.42, 2,849,716.90 and 1,248,400.32

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Solution

The fourth proportional to 2,065,615.42, 2,849,716.90 and 1,248,400.32 is: 1,722,289.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,615.42 : 2,849,716.90 = 1,248,400.32 : x
  2. Step 2: Convert to fraction form
    2,065,615.42/2,849,716.90 = 1,248,400.32/x
  3. Step 3: Cross multiply
    2,065,615.42x = 2,849,716.90 × 1,248,400.32
  4. Step 4: Simplify right side
    2,065,615.42x = 3,557,587,479,624.12
  5. Step 5: Solve for x
    x = 3,557,587,479,624.12/2,065,615.42
  6. Step 6: Final answer
    x = 1,722,289.37

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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.