Home / 2,084,621.60-3,127,969.20-822,490.40

Finding the Fourth Proportional to 2,084,621.60, 3,127,969.20 and 822,490.40

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Solution

The fourth proportional to 2,084,621.60, 3,127,969.20 and 822,490.40 is: 1,234,144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084,621.60 : 3,127,969.20 = 822,490.40 : x
  2. Step 2: Convert to fraction form
    2,084,621.60/3,127,969.20 = 822,490.40/x
  3. Step 3: Cross multiply
    2,084,621.60x = 3,127,969.20 × 822,490.40
  4. Step 4: Simplify right side
    2,084,621.60x = 2,572,724,638,495.68
  5. Step 5: Solve for x
    x = 2,572,724,638,495.68/2,084,621.60
  6. Step 6: Final answer
    x = 1,234,144.67

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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.