Home / 1,610,640.80-2,222,627.60-885,483.20

Finding the Fourth Proportional to 1,610,640.80, 2,222,627.60 and 885,483.20

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Solution

The fourth proportional to 1,610,640.80, 2,222,627.60 and 885,483.20 is: 1,221,935.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,640.80 : 2,222,627.60 = 885,483.20 : x
  2. Step 2: Convert to fraction form
    1,610,640.80/2,222,627.60 = 885,483.20/x
  3. Step 3: Cross multiply
    1,610,640.80x = 2,222,627.60 × 885,483.20
  4. Step 4: Simplify right side
    1,610,640.80x = 1,968,099,399,656.32
  5. Step 5: Solve for x
    x = 1,968,099,399,656.32/1,610,640.80
  6. Step 6: Final answer
    x = 1,221,935.64

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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.