Home / 4,119,991.30-6,180,570.15-1,279,807.30

Finding the Fourth Proportional to 4,119,991.30, 6,180,570.15 and 1,279,807.30

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Solution

The fourth proportional to 4,119,991.30, 6,180,570.15 and 1,279,807.30 is: 1,919,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119,991.30 : 6,180,570.15 = 1,279,807.30 : x
  2. Step 2: Convert to fraction form
    4,119,991.30/6,180,570.15 = 1,279,807.30/x
  3. Step 3: Cross multiply
    4,119,991.30x = 6,180,570.15 × 1,279,807.30
  4. Step 4: Simplify right side
    4,119,991.30x = 7,909,938,796,132.10
  5. Step 5: Solve for x
    x = 7,909,938,796,132.10/4,119,991.30
  6. Step 6: Final answer
    x = 1,919,892.11

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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.