Home / 2,788,732.80-4,183,099.20-993,643.20

Finding the Fourth Proportional to 2,788,732.80, 4,183,099.20 and 993,643.20

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Solution

The fourth proportional to 2,788,732.80, 4,183,099.20 and 993,643.20 is: 1,490,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,732.80 : 4,183,099.20 = 993,643.20 : x
  2. Step 2: Convert to fraction form
    2,788,732.80/4,183,099.20 = 993,643.20/x
  3. Step 3: Cross multiply
    2,788,732.80x = 4,183,099.20 × 993,643.20
  4. Step 4: Simplify right side
    2,788,732.80x = 4,156,508,075,005.44
  5. Step 5: Solve for x
    x = 4,156,508,075,005.44/2,788,732.80
  6. Step 6: Final answer
    x = 1,490,464.80

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1.5x scale

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.