Home / 1,774,915.20-2,662,372.80-1,479,670.20

Finding the Fourth Proportional to 1,774,915.20, 2,662,372.80 and 1,479,670.20

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Solution

The fourth proportional to 1,774,915.20, 2,662,372.80 and 1,479,670.20 is: 2,219,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,915.20 : 2,662,372.80 = 1,479,670.20 : x
  2. Step 2: Convert to fraction form
    1,774,915.20/2,662,372.80 = 1,479,670.20/x
  3. Step 3: Cross multiply
    1,774,915.20x = 2,662,372.80 × 1,479,670.20
  4. Step 4: Simplify right side
    1,774,915.20x = 3,939,433,693,450.56
  5. Step 5: Solve for x
    x = 3,939,433,693,450.56/1,774,915.20
  6. Step 6: Final answer
    x = 2,219,505.30

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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.