Home / 2,665,683.60-3,674,817.28-1,900,408.56

Finding the Fourth Proportional to 2,665,683.60, 3,674,817.28 and 1,900,408.56

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Solution

The fourth proportional to 2,665,683.60, 3,674,817.28 and 1,900,408.56 is: 2,619,836.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,683.60 : 3,674,817.28 = 1,900,408.56 : x
  2. Step 2: Convert to fraction form
    2,665,683.60/3,674,817.28 = 1,900,408.56/x
  3. Step 3: Cross multiply
    2,665,683.60x = 3,674,817.28 × 1,900,408.56
  4. Step 4: Simplify right side
    2,665,683.60x = 6,983,654,187,471.79
  5. Step 5: Solve for x
    x = 6,983,654,187,471.79/2,665,683.60
  6. Step 6: Final answer
    x = 2,619,836.13

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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.