Home / 2,128,329.87-2,932,104.75-1,482,581.67

Finding the Fourth Proportional to 2,128,329.87, 2,932,104.75 and 1,482,581.67

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Solution

The fourth proportional to 2,128,329.87, 2,932,104.75 and 1,482,581.67 is: 2,042,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,329.87 : 2,932,104.75 = 1,482,581.67 : x
  2. Step 2: Convert to fraction form
    2,128,329.87/2,932,104.75 = 1,482,581.67/x
  3. Step 3: Cross multiply
    2,128,329.87x = 2,932,104.75 × 1,482,581.67
  4. Step 4: Simplify right side
    2,128,329.87x = 4,347,084,756,869.93
  5. Step 5: Solve for x
    x = 4,347,084,756,869.93/2,128,329.87
  6. Step 6: Final answer
    x = 2,042,486.37

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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.