Home / 2,176,128.12-3,003,088.04-1,196,157.92

Finding the Fourth Proportional to 2,176,128.12, 3,003,088.04 and 1,196,157.92

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Solution

The fourth proportional to 2,176,128.12, 3,003,088.04 and 1,196,157.92 is: 1,650,715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,128.12 : 3,003,088.04 = 1,196,157.92 : x
  2. Step 2: Convert to fraction form
    2,176,128.12/3,003,088.04 = 1,196,157.92/x
  3. Step 3: Cross multiply
    2,176,128.12x = 3,003,088.04 × 1,196,157.92
  4. Step 4: Simplify right side
    2,176,128.12x = 3,592,167,522,507.05
  5. Step 5: Solve for x
    x = 3,592,167,522,507.05/2,176,128.12
  6. Step 6: Final answer
    x = 1,650,715.09

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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.