Home / 1,948,117.05-2,686,660.79-1,223,032.32

Finding the Fourth Proportional to 1,948,117.05, 2,686,660.79 and 1,223,032.32

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Solution

The fourth proportional to 1,948,117.05, 2,686,660.79 and 1,223,032.32 is: 1,686,691.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,117.05 : 2,686,660.79 = 1,223,032.32 : x
  2. Step 2: Convert to fraction form
    1,948,117.05/2,686,660.79 = 1,223,032.32/x
  3. Step 3: Cross multiply
    1,948,117.05x = 2,686,660.79 × 1,223,032.32
  4. Step 4: Simplify right side
    1,948,117.05x = 3,285,872,972,931.57
  5. Step 5: Solve for x
    x = 3,285,872,972,931.57/1,948,117.05
  6. Step 6: Final answer
    x = 1,686,691.76

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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.