Home / 3,678,638.31-5,518,190.75-1,154,393.19

Finding the Fourth Proportional to 3,678,638.31, 5,518,190.75 and 1,154,393.19

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Solution

The fourth proportional to 3,678,638.31, 5,518,190.75 and 1,154,393.19 is: 1,731,662.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,638.31 : 5,518,190.75 = 1,154,393.19 : x
  2. Step 2: Convert to fraction form
    3,678,638.31/5,518,190.75 = 1,154,393.19/x
  3. Step 3: Cross multiply
    3,678,638.31x = 5,518,190.75 × 1,154,393.19
  4. Step 4: Simplify right side
    3,678,638.31x = 6,370,161,817,149.03
  5. Step 5: Solve for x
    x = 6,370,161,817,149.03/3,678,638.31
  6. Step 6: Final answer
    x = 1,731,662.99

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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.