Home / 2,679,362.56-4,019,599.36-786,165.76

Finding the Fourth Proportional to 2,679,362.56, 4,019,599.36 and 786,165.76

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Solution

The fourth proportional to 2,679,362.56, 4,019,599.36 and 786,165.76 is: 1,179,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,362.56 : 4,019,599.36 = 786,165.76 : x
  2. Step 2: Convert to fraction form
    2,679,362.56/4,019,599.36 = 786,165.76/x
  3. Step 3: Cross multiply
    2,679,362.56x = 4,019,599.36 × 786,165.76
  4. Step 4: Simplify right side
    2,679,362.56x = 3,160,071,385,749.91
  5. Step 5: Solve for x
    x = 3,160,071,385,749.91/2,679,362.56
  6. Step 6: Final answer
    x = 1,179,411.64

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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.