Home / 1,994,457.20-2,991,710.10-646,609.10

Finding the Fourth Proportional to 1,994,457.20, 2,991,710.10 and 646,609.10

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Solution

The fourth proportional to 1,994,457.20, 2,991,710.10 and 646,609.10 is: 969,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,457.20 : 2,991,710.10 = 646,609.10 : x
  2. Step 2: Convert to fraction form
    1,994,457.20/2,991,710.10 = 646,609.10/x
  3. Step 3: Cross multiply
    1,994,457.20x = 2,991,710.10 × 646,609.10
  4. Step 4: Simplify right side
    1,994,457.20x = 1,934,466,975,221.91
  5. Step 5: Solve for x
    x = 1,934,466,975,221.91/1,994,457.20
  6. Step 6: Final answer
    x = 969,921.53

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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.