Home / 5,217,778.20-7,826,727.55-1,574,539.64

Finding the Fourth Proportional to 5,217,778.20, 7,826,727.55 and 1,574,539.64

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Solution

The fourth proportional to 5,217,778.20, 7,826,727.55 and 1,574,539.64 is: 2,361,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,778.20 : 7,826,727.55 = 1,574,539.64 : x
  2. Step 2: Convert to fraction form
    5,217,778.20/7,826,727.55 = 1,574,539.64/x
  3. Step 3: Cross multiply
    5,217,778.20x = 7,826,727.55 × 1,574,539.64
  4. Step 4: Simplify right side
    5,217,778.20x = 12,323,492,765,199.78
  5. Step 5: Solve for x
    x = 12,323,492,765,199.78/5,217,778.20
  6. Step 6: Final answer
    x = 2,361,827.64

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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.