Home / 3,109,008.96-4,666,133.73-1,313,181.25

Finding the Fourth Proportional to 3,109,008.96, 4,666,133.73 and 1,313,181.25

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Solution

The fourth proportional to 3,109,008.96, 4,666,133.73 and 1,313,181.25 is: 1,970,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,008.96 : 4,666,133.73 = 1,313,181.25 : x
  2. Step 2: Convert to fraction form
    3,109,008.96/4,666,133.73 = 1,313,181.25/x
  3. Step 3: Cross multiply
    3,109,008.96x = 4,666,133.73 × 1,313,181.25
  4. Step 4: Simplify right side
    3,109,008.96x = 6,127,479,334,985.66
  5. Step 5: Solve for x
    x = 6,127,479,334,985.66/3,109,008.96
  6. Step 6: Final answer
    x = 1,970,878.63

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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.