Home / 1,982,280.43-2,735,982.45-1,303,280.11

Finding the Fourth Proportional to 1,982,280.43, 2,735,982.45 and 1,303,280.11

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Solution

The fourth proportional to 1,982,280.43, 2,735,982.45 and 1,303,280.11 is: 1,798,812.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,280.43 : 2,735,982.45 = 1,303,280.11 : x
  2. Step 2: Convert to fraction form
    1,982,280.43/2,735,982.45 = 1,303,280.11/x
  3. Step 3: Cross multiply
    1,982,280.43x = 2,735,982.45 × 1,303,280.11
  4. Step 4: Simplify right side
    1,982,280.43x = 3,565,751,488,197.76
  5. Step 5: Solve for x
    x = 3,565,751,488,197.76/1,982,280.43
  6. Step 6: Final answer
    x = 1,798,812.84

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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.