Home / 2,953,619.80-4,430,429.70-1,690,408.60

Finding the Fourth Proportional to 2,953,619.80, 4,430,429.70 and 1,690,408.60

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Solution

The fourth proportional to 2,953,619.80, 4,430,429.70 and 1,690,408.60 is: 2,535,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953,619.80 : 4,430,429.70 = 1,690,408.60 : x
  2. Step 2: Convert to fraction form
    2,953,619.80/4,430,429.70 = 1,690,408.60/x
  3. Step 3: Cross multiply
    2,953,619.80x = 4,430,429.70 × 1,690,408.60
  4. Step 4: Simplify right side
    2,953,619.80x = 7,489,236,466,575.42
  5. Step 5: Solve for x
    x = 7,489,236,466,575.42/2,953,619.80
  6. Step 6: Final answer
    x = 2,535,612.90

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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.