Home / 1,610,621.25-2,222,600.67-885,463.71

Finding the Fourth Proportional to 1,610,621.25, 2,222,600.67 and 885,463.71

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Solution

The fourth proportional to 1,610,621.25, 2,222,600.67 and 885,463.71 is: 1,221,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,621.25 : 2,222,600.67 = 885,463.71 : x
  2. Step 2: Convert to fraction form
    1,610,621.25/2,222,600.67 = 885,463.71/x
  3. Step 3: Cross multiply
    1,610,621.25x = 2,222,600.67 × 885,463.71
  4. Step 4: Simplify right side
    1,610,621.25x = 1,968,032,235,106.69
  5. Step 5: Solve for x
    x = 1,968,032,235,106.69/1,610,621.25
  6. Step 6: Final answer
    x = 1,221,908.77

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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.