Home / 3,860,146.32-5,327,640.76-2,141,820.40

Finding the Fourth Proportional to 3,860,146.32, 5,327,640.76 and 2,141,820.40

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Solution

The fourth proportional to 3,860,146.32, 5,327,640.76 and 2,141,820.40 is: 2,956,066.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,146.32 : 5,327,640.76 = 2,141,820.40 : x
  2. Step 2: Convert to fraction form
    3,860,146.32/5,327,640.76 = 2,141,820.40/x
  3. Step 3: Cross multiply
    3,860,146.32x = 5,327,640.76 × 2,141,820.40
  4. Step 4: Simplify right side
    3,860,146.32x = 11,410,849,663,639.50
  5. Step 5: Solve for x
    x = 11,410,849,663,639.50/3,860,146.32
  6. Step 6: Final answer
    x = 2,956,066.61

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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.