Home / 5,915,505.60-8,873,258.40-2,128,496.40

Finding the Fourth Proportional to 5,915,505.60, 8,873,258.40 and 2,128,496.40

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Solution

The fourth proportional to 5,915,505.60, 8,873,258.40 and 2,128,496.40 is: 3,192,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915,505.60 : 8,873,258.40 = 2,128,496.40 : x
  2. Step 2: Convert to fraction form
    5,915,505.60/8,873,258.40 = 2,128,496.40/x
  3. Step 3: Cross multiply
    5,915,505.60x = 8,873,258.40 × 2,128,496.40
  4. Step 4: Simplify right side
    5,915,505.60x = 18,886,698,560,669.76
  5. Step 5: Solve for x
    x = 18,886,698,560,669.76/5,915,505.60
  6. Step 6: Final answer
    x = 3,192,744.60

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1.5x scale

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.