Home / 2,519,487.84-3,778,456.59-721,889.67

Finding the Fourth Proportional to 2,519,487.84, 3,778,456.59 and 721,889.67

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Solution

The fourth proportional to 2,519,487.84, 3,778,456.59 and 721,889.67 is: 1,082,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,487.84 : 3,778,456.59 = 721,889.67 : x
  2. Step 2: Convert to fraction form
    2,519,487.84/3,778,456.59 = 721,889.67/x
  3. Step 3: Cross multiply
    2,519,487.84x = 3,778,456.59 × 721,889.67
  4. Step 4: Simplify right side
    2,519,487.84x = 2,727,628,780,864.43
  5. Step 5: Solve for x
    x = 2,727,628,780,864.43/2,519,487.84
  6. Step 6: Final answer
    x = 1,082,612.40

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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.