Home / 1,897,694.73-2,618,856.53-1,038,273.42

Finding the Fourth Proportional to 1,897,694.73, 2,618,856.53 and 1,038,273.42

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Solution

The fourth proportional to 1,897,694.73, 2,618,856.53 and 1,038,273.42 is: 1,432,838.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897,694.73 : 2,618,856.53 = 1,038,273.42 : x
  2. Step 2: Convert to fraction form
    1,897,694.73/2,618,856.53 = 1,038,273.42/x
  3. Step 3: Cross multiply
    1,897,694.73x = 2,618,856.53 × 1,038,273.42
  4. Step 4: Simplify right side
    1,897,694.73x = 2,719,089,134,415.30
  5. Step 5: Solve for x
    x = 2,719,089,134,415.30/1,897,694.73
  6. Step 6: Final answer
    x = 1,432,838.01

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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.