Home / 2,101,943.87-3,152,431.91-822,581.67

Finding the Fourth Proportional to 2,101,943.87, 3,152,431.91 and 822,581.67

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Solution

The fourth proportional to 2,101,943.87, 3,152,431.91 and 822,581.67 is: 1,233,683.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,943.87 : 3,152,431.91 = 822,581.67 : x
  2. Step 2: Convert to fraction form
    2,101,943.87/3,152,431.91 = 822,581.67/x
  3. Step 3: Cross multiply
    2,101,943.87x = 3,152,431.91 × 822,581.67
  4. Step 4: Simplify right side
    2,101,943.87x = 2,593,132,718,967.16
  5. Step 5: Solve for x
    x = 2,593,132,718,967.16/2,101,943.87
  6. Step 6: Final answer
    x = 1,233,683.14

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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.