Home / 1,959,024.69-2,939,671.85-821,685.47

Finding the Fourth Proportional to 1,959,024.69, 2,939,671.85 and 821,685.47

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Solution

The fourth proportional to 1,959,024.69, 2,939,671.85 and 821,685.47 is: 1,233,004.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,024.69 : 2,939,671.85 = 821,685.47 : x
  2. Step 2: Convert to fraction form
    1,959,024.69/2,939,671.85 = 821,685.47/x
  3. Step 3: Cross multiply
    1,959,024.69x = 2,939,671.85 × 821,685.47
  4. Step 4: Simplify right side
    1,959,024.69x = 2,415,485,626,906.23
  5. Step 5: Solve for x
    x = 2,415,485,626,906.23/1,959,024.69
  6. Step 6: Final answer
    x = 1,233,004.18

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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.