Home / 2,885,485.60-3,981,623.88-1,662,191.20

Finding the Fourth Proportional to 2,885,485.60, 3,981,623.88 and 1,662,191.20

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Solution

The fourth proportional to 2,885,485.60, 3,981,623.88 and 1,662,191.20 is: 2,293,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885,485.60 : 3,981,623.88 = 1,662,191.20 : x
  2. Step 2: Convert to fraction form
    2,885,485.60/3,981,623.88 = 1,662,191.20/x
  3. Step 3: Cross multiply
    2,885,485.60x = 3,981,623.88 × 1,662,191.20
  4. Step 4: Simplify right side
    2,885,485.60x = 6,618,220,175,045.86
  5. Step 5: Solve for x
    x = 6,618,220,175,045.86/2,885,485.60
  6. Step 6: Final answer
    x = 2,293,624.40

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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.