Home / 4,999,539.30-7,502,039.05-2,120,458.29

Finding the Fourth Proportional to 4,999,539.30, 7,502,039.05 and 2,120,458.29

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Solution

The fourth proportional to 4,999,539.30, 7,502,039.05 and 2,120,458.29 is: 3,181,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999,539.30 : 7,502,039.05 = 2,120,458.29 : x
  2. Step 2: Convert to fraction form
    4,999,539.30/7,502,039.05 = 2,120,458.29/x
  3. Step 3: Cross multiply
    4,999,539.30x = 7,502,039.05 × 2,120,458.29
  4. Step 4: Simplify right side
    4,999,539.30x = 15,907,760,895,476.22
  5. Step 5: Solve for x
    x = 15,907,760,895,476.22/4,999,539.30
  6. Step 6: Final answer
    x = 3,181,845.35

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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.