Home / 2,777,721.18-4,166,915.13-980,233.50

Finding the Fourth Proportional to 2,777,721.18, 4,166,915.13 and 980,233.50

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Solution

The fourth proportional to 2,777,721.18, 4,166,915.13 and 980,233.50 is: 1,470,467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,721.18 : 4,166,915.13 = 980,233.50 : x
  2. Step 2: Convert to fraction form
    2,777,721.18/4,166,915.13 = 980,233.50/x
  3. Step 3: Cross multiply
    2,777,721.18x = 4,166,915.13 × 980,233.50
  4. Step 4: Simplify right side
    2,777,721.18x = 4,084,549,802,082.86
  5. Step 5: Solve for x
    x = 4,084,549,802,082.86/2,777,721.18
  6. Step 6: Final answer
    x = 1,470,467.89

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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.