Home / 3,430,900.32-4,720,736.88-2,816,790.72

Finding the Fourth Proportional to 3,430,900.32, 4,720,736.88 and 2,816,790.72

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Solution

The fourth proportional to 3,430,900.32, 4,720,736.88 and 2,816,790.72 is: 3,875,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,900.32 : 4,720,736.88 = 2,816,790.72 : x
  2. Step 2: Convert to fraction form
    3,430,900.32/4,720,736.88 = 2,816,790.72/x
  3. Step 3: Cross multiply
    3,430,900.32x = 4,720,736.88 × 2,816,790.72
  4. Step 4: Simplify right side
    3,430,900.32x = 13,297,327,835,145.75
  5. Step 5: Solve for x
    x = 13,297,327,835,145.75/3,430,900.32
  6. Step 6: Final answer
    x = 3,875,754.64

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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.