Home / 1,606,870.11-2,213,223.98-1,197,660.54

Finding the Fourth Proportional to 1,606,870.11, 2,213,223.98 and 1,197,660.54

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Solution

The fourth proportional to 1,606,870.11, 2,213,223.98 and 1,197,660.54 is: 1,649,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,870.11 : 2,213,223.98 = 1,197,660.54 : x
  2. Step 2: Convert to fraction form
    1,606,870.11/2,213,223.98 = 1,197,660.54/x
  3. Step 3: Cross multiply
    1,606,870.11x = 2,213,223.98 × 1,197,660.54
  4. Step 4: Simplify right side
    1,606,870.11x = 2,650,691,021,039.45
  5. Step 5: Solve for x
    x = 2,650,691,021,039.45/1,606,870.11
  6. Step 6: Final answer
    x = 1,649,598.81

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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.