Home / 1,912,037.76-2,868,037.12-492,088.32

Finding the Fourth Proportional to 1,912,037.76, 2,868,037.12 and 492,088.32

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Solution

The fourth proportional to 1,912,037.76, 2,868,037.12 and 492,088.32 is: 738,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,037.76 : 2,868,037.12 = 492,088.32 : x
  2. Step 2: Convert to fraction form
    1,912,037.76/2,868,037.12 = 492,088.32/x
  3. Step 3: Cross multiply
    1,912,037.76x = 2,868,037.12 × 492,088.32
  4. Step 4: Simplify right side
    1,912,037.76x = 1,411,327,568,078.44
  5. Step 5: Solve for x
    x = 1,411,327,568,078.44/1,912,037.76
  6. Step 6: Final answer
    x = 738,127.46

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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.