Home / 2,176,822.40-3,258,782.40-1,618,332.80

Finding the Fourth Proportional to 2,176,822.40, 3,258,782.40 and 1,618,332.80

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Solution

The fourth proportional to 2,176,822.40, 3,258,782.40 and 1,618,332.80 is: 2,422,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,822.40 : 3,258,782.40 = 1,618,332.80 : x
  2. Step 2: Convert to fraction form
    2,176,822.40/3,258,782.40 = 1,618,332.80/x
  3. Step 3: Cross multiply
    2,176,822.40x = 3,258,782.40 × 1,618,332.80
  4. Step 4: Simplify right side
    2,176,822.40x = 5,273,794,445,982.72
  5. Step 5: Solve for x
    x = 5,273,794,445,982.72/2,176,822.40
  6. Step 6: Final answer
    x = 2,422,703.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.