Home / 4,920,447.71-6,790,220.77-2,744,990.87

Finding the Fourth Proportional to 4,920,447.71, 6,790,220.77 and 2,744,990.87

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Solution

The fourth proportional to 4,920,447.71, 6,790,220.77 and 2,744,990.87 is: 3,788,089.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,447.71 : 6,790,220.77 = 2,744,990.87 : x
  2. Step 2: Convert to fraction form
    4,920,447.71/6,790,220.77 = 2,744,990.87/x
  3. Step 3: Cross multiply
    4,920,447.71x = 6,790,220.77 × 2,744,990.87
  4. Step 4: Simplify right side
    4,920,447.71x = 18,639,093,971,258.31
  5. Step 5: Solve for x
    x = 18,639,093,971,258.31/4,920,447.71
  6. Step 6: Final answer
    x = 3,788,089.03

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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.