Home / 2,992,982.32-4,490,136.84-862,900.20

Finding the Fourth Proportional to 2,992,982.32, 4,490,136.84 and 862,900.20

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Solution

The fourth proportional to 2,992,982.32, 4,490,136.84 and 862,900.20 is: 1,294,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,982.32 : 4,490,136.84 = 862,900.20 : x
  2. Step 2: Convert to fraction form
    2,992,982.32/4,490,136.84 = 862,900.20/x
  3. Step 3: Cross multiply
    2,992,982.32x = 4,490,136.84 × 862,900.20
  4. Step 4: Simplify right side
    2,992,982.32x = 3,874,539,977,263.37
  5. Step 5: Solve for x
    x = 3,874,539,977,263.37/2,992,982.32
  6. Step 6: Final answer
    x = 1,294,541.55

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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.