Home / 3,921,181.79-5,881,777.30-1,225,521.12

Finding the Fourth Proportional to 3,921,181.79, 5,881,777.30 and 1,225,521.12

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Solution

The fourth proportional to 3,921,181.79, 5,881,777.30 and 1,225,521.12 is: 1,838,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,181.79 : 5,881,777.30 = 1,225,521.12 : x
  2. Step 2: Convert to fraction form
    3,921,181.79/5,881,777.30 = 1,225,521.12/x
  3. Step 3: Cross multiply
    3,921,181.79x = 5,881,777.30 × 1,225,521.12
  4. Step 4: Simplify right side
    3,921,181.79x = 7,208,242,327,875.14
  5. Step 5: Solve for x
    x = 7,208,242,327,875.14/3,921,181.79
  6. Step 6: Final answer
    x = 1,838,283.13

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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.