Home / 5,745,345.64-7,928,512.47-3,131,792.51

Finding the Fourth Proportional to 5,745,345.64, 7,928,512.47 and 3,131,792.51

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Solution

The fourth proportional to 5,745,345.64, 7,928,512.47 and 3,131,792.51 is: 4,321,838.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745,345.64 : 7,928,512.47 = 3,131,792.51 : x
  2. Step 2: Convert to fraction form
    5,745,345.64/7,928,512.47 = 3,131,792.51/x
  3. Step 3: Cross multiply
    5,745,345.64x = 7,928,512.47 × 3,131,792.51
  4. Step 4: Simplify right side
    5,745,345.64x = 24,830,455,929,345.04
  5. Step 5: Solve for x
    x = 24,830,455,929,345.04/5,745,345.64
  6. Step 6: Final answer
    x = 4,321,838.49

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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.