Home / 2,176,550.92-3,003,618.62-1,209,660.45

Finding the Fourth Proportional to 2,176,550.92, 3,003,618.62 and 1,209,660.45

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Solution

The fourth proportional to 2,176,550.92, 3,003,618.62 and 1,209,660.45 is: 1,669,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,550.92 : 3,003,618.62 = 1,209,660.45 : x
  2. Step 2: Convert to fraction form
    2,176,550.92/3,003,618.62 = 1,209,660.45/x
  3. Step 3: Cross multiply
    2,176,550.92x = 3,003,618.62 × 1,209,660.45
  4. Step 4: Simplify right side
    2,176,550.92x = 3,633,358,670,302.34
  5. Step 5: Solve for x
    x = 3,633,358,670,302.34/2,176,550.92
  6. Step 6: Final answer
    x = 1,669,319.39

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1.5x scale

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.