Home / 2,640,022.54-3,643,232.60-1,432,798.54

Finding the Fourth Proportional to 2,640,022.54, 3,643,232.60 and 1,432,798.54

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Solution

The fourth proportional to 2,640,022.54, 3,643,232.60 and 1,432,798.54 is: 1,977,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,022.54 : 3,643,232.60 = 1,432,798.54 : x
  2. Step 2: Convert to fraction form
    2,640,022.54/3,643,232.60 = 1,432,798.54/x
  3. Step 3: Cross multiply
    2,640,022.54x = 3,643,232.60 × 1,432,798.54
  4. Step 4: Simplify right side
    2,640,022.54x = 5,220,018,350,160.40
  5. Step 5: Solve for x
    x = 5,220,018,350,160.40/2,640,022.54
  6. Step 6: Final answer
    x = 1,977,262.80

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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.