Home / 3,118,562.70-4,677,844.05-2,161,968.90

Finding the Fourth Proportional to 3,118,562.70, 4,677,844.05 and 2,161,968.90

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Solution

The fourth proportional to 3,118,562.70, 4,677,844.05 and 2,161,968.90 is: 3,242,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,562.70 : 4,677,844.05 = 2,161,968.90 : x
  2. Step 2: Convert to fraction form
    3,118,562.70/4,677,844.05 = 2,161,968.90/x
  3. Step 3: Cross multiply
    3,118,562.70x = 4,677,844.05 × 2,161,968.90
  4. Step 4: Simplify right side
    3,118,562.70x = 10,113,353,355,150.04
  5. Step 5: Solve for x
    x = 10,113,353,355,150.04/3,118,562.70
  6. Step 6: Final answer
    x = 3,242,953.35

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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.