Home / 2,952,999.81-4,429,869.08-1,155,651.12

Finding the Fourth Proportional to 2,952,999.81, 4,429,869.08 and 1,155,651.12

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Solution

The fourth proportional to 2,952,999.81, 4,429,869.08 and 1,155,651.12 is: 1,733,621.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952,999.81 : 4,429,869.08 = 1,155,651.12 : x
  2. Step 2: Convert to fraction form
    2,952,999.81/4,429,869.08 = 1,155,651.12/x
  3. Step 3: Cross multiply
    2,952,999.81x = 4,429,869.08 × 1,155,651.12
  4. Step 4: Simplify right side
    2,952,999.81x = 5,119,383,157,977.11
  5. Step 5: Solve for x
    x = 5,119,383,157,977.11/2,952,999.81
  6. Step 6: Final answer
    x = 1,733,621.23

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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.