Home / 1,970,586.78-2,719,178.73-1,111,095.78

Finding the Fourth Proportional to 1,970,586.78, 2,719,178.73 and 1,111,095.78

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Solution

The fourth proportional to 1,970,586.78, 2,719,178.73 and 1,111,095.78 is: 1,533,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,586.78 : 2,719,178.73 = 1,111,095.78 : x
  2. Step 2: Convert to fraction form
    1,970,586.78/2,719,178.73 = 1,111,095.78/x
  3. Step 3: Cross multiply
    1,970,586.78x = 2,719,178.73 × 1,111,095.78
  4. Step 4: Simplify right side
    1,970,586.78x = 3,021,268,011,968.76
  5. Step 5: Solve for x
    x = 3,021,268,011,968.76/1,970,586.78
  6. Step 6: Final answer
    x = 1,533,181.91

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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.