Home / 3,155,841.43-4,353,041.67-2,188,618.81

Finding the Fourth Proportional to 3,155,841.43, 4,353,041.67 and 2,188,618.81

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Solution

The fourth proportional to 3,155,841.43, 4,353,041.67 and 2,188,618.81 is: 3,018,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,841.43 : 4,353,041.67 = 2,188,618.81 : x
  2. Step 2: Convert to fraction form
    3,155,841.43/4,353,041.67 = 2,188,618.81/x
  3. Step 3: Cross multiply
    3,155,841.43x = 4,353,041.67 × 2,188,618.81
  4. Step 4: Simplify right side
    3,155,841.43x = 9,527,148,860,585.89
  5. Step 5: Solve for x
    x = 9,527,148,860,585.89/3,155,841.43
  6. Step 6: Final answer
    x = 3,018,893.40

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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.