Home / 3,112,850.70-4,669,276.05-868,985.10

Finding the Fourth Proportional to 3,112,850.70, 4,669,276.05 and 868,985.10

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Solution

The fourth proportional to 3,112,850.70, 4,669,276.05 and 868,985.10 is: 1,303,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,850.70 : 4,669,276.05 = 868,985.10 : x
  2. Step 2: Convert to fraction form
    3,112,850.70/4,669,276.05 = 868,985.10/x
  3. Step 3: Cross multiply
    3,112,850.70x = 4,669,276.05 × 868,985.10
  4. Step 4: Simplify right side
    3,112,850.70x = 4,057,531,315,236.85
  5. Step 5: Solve for x
    x = 4,057,531,315,236.85/3,112,850.70
  6. Step 6: Final answer
    x = 1,303,477.65

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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.