Home / 5,186,983.01-7,780,848.21-1,992,109.19

Finding the Fourth Proportional to 5,186,983.01, 7,780,848.21 and 1,992,109.19

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Solution

The fourth proportional to 5,186,983.01, 7,780,848.21 and 1,992,109.19 is: 2,988,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,983.01 : 7,780,848.21 = 1,992,109.19 : x
  2. Step 2: Convert to fraction form
    5,186,983.01/7,780,848.21 = 1,992,109.19/x
  3. Step 3: Cross multiply
    5,186,983.01x = 7,780,848.21 × 1,992,109.19
  4. Step 4: Simplify right side
    5,186,983.01x = 15,500,299,186,231.81
  5. Step 5: Solve for x
    x = 15,500,299,186,231.81/5,186,983.01
  6. Step 6: Final answer
    x = 2,988,307.30

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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.