Home / 2,121,561.18-2,927,667.88-1,203,770.57

Finding the Fourth Proportional to 2,121,561.18, 2,927,667.88 and 1,203,770.57

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Solution

The fourth proportional to 2,121,561.18, 2,927,667.88 and 1,203,770.57 is: 1,661,154.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,561.18 : 2,927,667.88 = 1,203,770.57 : x
  2. Step 2: Convert to fraction form
    2,121,561.18/2,927,667.88 = 1,203,770.57/x
  3. Step 3: Cross multiply
    2,121,561.18x = 2,927,667.88 × 1,203,770.57
  4. Step 4: Simplify right side
    2,121,561.18x = 3,524,240,415,030.53
  5. Step 5: Solve for x
    x = 3,524,240,415,030.53/2,121,561.18
  6. Step 6: Final answer
    x = 1,661,154.27

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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.