Home / 1,539,273.78-2,124,791.73-1,377,844.02

Finding the Fourth Proportional to 1,539,273.78, 2,124,791.73 and 1,377,844.02

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Solution

The fourth proportional to 1,539,273.78, 2,124,791.73 and 1,377,844.02 is: 1,901,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,273.78 : 2,124,791.73 = 1,377,844.02 : x
  2. Step 2: Convert to fraction form
    1,539,273.78/2,124,791.73 = 1,377,844.02/x
  3. Step 3: Cross multiply
    1,539,273.78x = 2,124,791.73 × 1,377,844.02
  4. Step 4: Simplify right side
    1,539,273.78x = 2,927,631,578,925.95
  5. Step 5: Solve for x
    x = 2,927,631,578,925.95/1,539,273.78
  6. Step 6: Final answer
    x = 1,901,956.38

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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.