Home / 4,999,538.30-7,502,037.55-2,120,457.29

Finding the Fourth Proportional to 4,999,538.30, 7,502,037.55 and 2,120,457.29

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Solution

The fourth proportional to 4,999,538.30, 7,502,037.55 and 2,120,457.29 is: 3,181,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999,538.30 : 7,502,037.55 = 2,120,457.29 : x
  2. Step 2: Convert to fraction form
    4,999,538.30/7,502,037.55 = 2,120,457.29/x
  3. Step 3: Cross multiply
    4,999,538.30x = 7,502,037.55 × 2,120,457.29
  4. Step 4: Simplify right side
    4,999,538.30x = 15,907,750,169,939.91
  5. Step 5: Solve for x
    x = 15,907,750,169,939.91/4,999,538.30
  6. Step 6: Final answer
    x = 3,181,843.85

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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.