Home / 5,365,187.30-8,047,783.13-1,321,753.77

Finding the Fourth Proportional to 5,365,187.30, 8,047,783.13 and 1,321,753.77

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Solution

The fourth proportional to 5,365,187.30, 8,047,783.13 and 1,321,753.77 is: 1,982,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365,187.30 : 8,047,783.13 = 1,321,753.77 : x
  2. Step 2: Convert to fraction form
    5,365,187.30/8,047,783.13 = 1,321,753.77/x
  3. Step 3: Cross multiply
    5,365,187.30x = 8,047,783.13 × 1,321,753.77
  4. Step 4: Simplify right side
    5,365,187.30x = 10,637,187,692,219.90
  5. Step 5: Solve for x
    x = 10,637,187,692,219.90/5,365,187.30
  6. Step 6: Final answer
    x = 1,982,631.19

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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.