Home / 5,120,787.31-7,679,492.53-1,708,133.51

Finding the Fourth Proportional to 5,120,787.31, 7,679,492.53 and 1,708,133.51

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Solution

The fourth proportional to 5,120,787.31, 7,679,492.53 and 1,708,133.51 is: 2,561,637.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,787.31 : 7,679,492.53 = 1,708,133.51 : x
  2. Step 2: Convert to fraction form
    5,120,787.31/7,679,492.53 = 1,708,133.51/x
  3. Step 3: Cross multiply
    5,120,787.31x = 7,679,492.53 × 1,708,133.51
  4. Step 4: Simplify right side
    5,120,787.31x = 13,117,598,530,287.68
  5. Step 5: Solve for x
    x = 13,117,598,530,287.68/5,120,787.31
  6. Step 6: Final answer
    x = 2,561,637.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.