Home / 5,642,457.44-7,788,974.72-3,809,398.48

Finding the Fourth Proportional to 5,642,457.44, 7,788,974.72 and 3,809,398.48

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Solution

The fourth proportional to 5,642,457.44, 7,788,974.72 and 3,809,398.48 is: 5,258,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642,457.44 : 7,788,974.72 = 3,809,398.48 : x
  2. Step 2: Convert to fraction form
    5,642,457.44/7,788,974.72 = 3,809,398.48/x
  3. Step 3: Cross multiply
    5,642,457.44x = 7,788,974.72 × 3,809,398.48
  4. Step 4: Simplify right side
    5,642,457.44x = 29,671,308,420,607.00
  5. Step 5: Solve for x
    x = 29,671,308,420,607.00/5,642,457.44
  6. Step 6: Final answer
    x = 5,258,579.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.