Home / 2,871,981.69-3,963,321.74-1,582,819.29

Finding the Fourth Proportional to 2,871,981.69, 3,963,321.74 and 1,582,819.29

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Solution

The fourth proportional to 2,871,981.69, 3,963,321.74 and 1,582,819.29 is: 2,184,283.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,981.69 : 3,963,321.74 = 1,582,819.29 : x
  2. Step 2: Convert to fraction form
    2,871,981.69/3,963,321.74 = 1,582,819.29/x
  3. Step 3: Cross multiply
    2,871,981.69x = 3,963,321.74 × 1,582,819.29
  4. Step 4: Simplify right side
    2,871,981.69x = 6,273,222,094,634.27
  5. Step 5: Solve for x
    x = 6,273,222,094,634.27/2,871,981.69
  6. Step 6: Final answer
    x = 2,184,283.46

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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.