Home / 1,931,911.33-2,665,904.07-1,072,403.95

Finding the Fourth Proportional to 1,931,911.33, 2,665,904.07 and 1,072,403.95

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Solution

The fourth proportional to 1,931,911.33, 2,665,904.07 and 1,072,403.95 is: 1,479,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,911.33 : 2,665,904.07 = 1,072,403.95 : x
  2. Step 2: Convert to fraction form
    1,931,911.33/2,665,904.07 = 1,072,403.95/x
  3. Step 3: Cross multiply
    1,931,911.33x = 2,665,904.07 × 1,072,403.95
  4. Step 4: Simplify right side
    1,931,911.33x = 2,858,926,054,989.08
  5. Step 5: Solve for x
    x = 2,858,926,054,989.08/1,931,911.33
  6. Step 6: Final answer
    x = 1,479,843.31

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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.