Home / 2,676,774.60-4,017,786.30-1,330,457.40

Finding the Fourth Proportional to 2,676,774.60, 4,017,786.30 and 1,330,457.40

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Solution

The fourth proportional to 2,676,774.60, 4,017,786.30 and 1,330,457.40 is: 1,996,990.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676,774.60 : 4,017,786.30 = 1,330,457.40 : x
  2. Step 2: Convert to fraction form
    2,676,774.60/4,017,786.30 = 1,330,457.40/x
  3. Step 3: Cross multiply
    2,676,774.60x = 4,017,786.30 × 1,330,457.40
  4. Step 4: Simplify right side
    2,676,774.60x = 5,345,493,514,453.62
  5. Step 5: Solve for x
    x = 5,345,493,514,453.62/2,676,774.60
  6. Step 6: Final answer
    x = 1,996,990.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.