Home / 1,683,434.40-2,531,372.40-1,409,719.20

Finding the Fourth Proportional to 1,683,434.40, 2,531,372.40 and 1,409,719.20

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Solution

The fourth proportional to 1,683,434.40, 2,531,372.40 and 1,409,719.20 is: 2,119,788.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,434.40 : 2,531,372.40 = 1,409,719.20 : x
  2. Step 2: Convert to fraction form
    1,683,434.40/2,531,372.40 = 1,409,719.20/x
  3. Step 3: Cross multiply
    1,683,434.40x = 2,531,372.40 × 1,409,719.20
  4. Step 4: Simplify right side
    1,683,434.40x = 3,568,524,274,630.08
  5. Step 5: Solve for x
    x = 3,568,524,274,630.08/1,683,434.40
  6. Step 6: Final answer
    x = 2,119,788.14

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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.