Home / 2,161,868.23-2,983,378.80-1,181,811.52

Finding the Fourth Proportional to 2,161,868.23, 2,983,378.80 and 1,181,811.52

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Solution

The fourth proportional to 2,161,868.23, 2,983,378.80 and 1,181,811.52 is: 1,630,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,868.23 : 2,983,378.80 = 1,181,811.52 : x
  2. Step 2: Convert to fraction form
    2,161,868.23/2,983,378.80 = 1,181,811.52/x
  3. Step 3: Cross multiply
    2,161,868.23x = 2,983,378.80 × 1,181,811.52
  4. Step 4: Simplify right side
    2,161,868.23x = 3,525,791,434,363.78
  5. Step 5: Solve for x
    x = 3,525,791,434,363.78/2,161,868.23
  6. Step 6: Final answer
    x = 1,630,900.25

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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.