Home / 2,776,915.50-4,159,466.73-1,638,450.78

Finding the Fourth Proportional to 2,776,915.50, 4,159,466.73 and 1,638,450.78

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Solution

The fourth proportional to 2,776,915.50, 4,159,466.73 and 1,638,450.78 is: 2,454,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776,915.50 : 4,159,466.73 = 1,638,450.78 : x
  2. Step 2: Convert to fraction form
    2,776,915.50/4,159,466.73 = 1,638,450.78/x
  3. Step 3: Cross multiply
    2,776,915.50x = 4,159,466.73 × 1,638,450.78
  4. Step 4: Simplify right side
    2,776,915.50x = 6,815,081,508,152.55
  5. Step 5: Solve for x
    x = 6,815,081,508,152.55/2,776,915.50
  6. Step 6: Final answer
    x = 2,454,191.17

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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.