Home / 3,535,892.80-5,300,728.80-2,116,513.60

Finding the Fourth Proportional to 3,535,892.80, 5,300,728.80 and 2,116,513.60

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Solution

The fourth proportional to 3,535,892.80, 5,300,728.80 and 2,116,513.60 is: 3,172,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535,892.80 : 5,300,728.80 = 2,116,513.60 : x
  2. Step 2: Convert to fraction form
    3,535,892.80/5,300,728.80 = 2,116,513.60/x
  3. Step 3: Cross multiply
    3,535,892.80x = 5,300,728.80 × 2,116,513.60
  4. Step 4: Simplify right side
    3,535,892.80x = 11,219,064,595,111.68
  5. Step 5: Solve for x
    x = 11,219,064,595,111.68/3,535,892.80
  6. Step 6: Final answer
    x = 3,172,908.58

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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.