Home / 1,610,913.76-2,223,118.08-885,816.64

Finding the Fourth Proportional to 1,610,913.76, 2,223,118.08 and 885,816.64

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Solution

The fourth proportional to 1,610,913.76, 2,223,118.08 and 885,816.64 is: 1,222,458.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,913.76 : 2,223,118.08 = 885,816.64 : x
  2. Step 2: Convert to fraction form
    1,610,913.76/2,223,118.08 = 885,816.64/x
  3. Step 3: Cross multiply
    1,610,913.76x = 2,223,118.08 × 885,816.64
  4. Step 4: Simplify right side
    1,610,913.76x = 1,969,274,987,948.85
  5. Step 5: Solve for x
    x = 1,969,274,987,948.85/1,610,913.76
  6. Step 6: Final answer
    x = 1,222,458.36

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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.