Home / 2,861,978.24-3,949,598.40-1,572,941

Finding the Fourth Proportional to 2,861,978.24, 3,949,598.40 and 1,572,941

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Solution

The fourth proportional to 2,861,978.24, 3,949,598.40 and 1,572,941 is: 2,170,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,978.24 : 3,949,598.40 = 1,572,941 : x
  2. Step 2: Convert to fraction form
    2,861,978.24/3,949,598.40 = 1,572,941/x
  3. Step 3: Cross multiply
    2,861,978.24x = 3,949,598.40 × 1,572,941
  4. Step 4: Simplify right side
    2,861,978.24x = 6,212,485,256,894.40
  5. Step 5: Solve for x
    x = 6,212,485,256,894.40/2,861,978.24
  6. Step 6: Final answer
    x = 2,170,696.19

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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.