Home / 3,989,475.48-5,501,739.06-3,176,363.28

Finding the Fourth Proportional to 3,989,475.48, 5,501,739.06 and 3,176,363.28

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Solution

The fourth proportional to 3,989,475.48, 5,501,739.06 and 3,176,363.28 is: 4,380,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,475.48 : 5,501,739.06 = 3,176,363.28 : x
  2. Step 2: Convert to fraction form
    3,989,475.48/5,501,739.06 = 3,176,363.28/x
  3. Step 3: Cross multiply
    3,989,475.48x = 5,501,739.06 × 3,176,363.28
  4. Step 4: Simplify right side
    3,989,475.48x = 17,475,521,926,325.71
  5. Step 5: Solve for x
    x = 17,475,521,926,325.71/3,989,475.48
  6. Step 6: Final answer
    x = 4,380,405.90

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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.