Home / 4,872,021.35-6,723,701.55-2,806,999.38

Finding the Fourth Proportional to 4,872,021.35, 6,723,701.55 and 2,806,999.38

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Solution

The fourth proportional to 4,872,021.35, 6,723,701.55 and 2,806,999.38 is: 3,873,838.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872,021.35 : 6,723,701.55 = 2,806,999.38 : x
  2. Step 2: Convert to fraction form
    4,872,021.35/6,723,701.55 = 2,806,999.38/x
  3. Step 3: Cross multiply
    4,872,021.35x = 6,723,701.55 × 2,806,999.38
  4. Step 4: Simplify right side
    4,872,021.35x = 18,873,426,082,155.04
  5. Step 5: Solve for x
    x = 18,873,426,082,155.04/4,872,021.35
  6. Step 6: Final answer
    x = 3,873,838.96

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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.