Home / 1,971,301.20-2,953,452.60-1,222,472.40

Finding the Fourth Proportional to 1,971,301.20, 2,953,452.60 and 1,222,472.40

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Solution

The fourth proportional to 1,971,301.20, 2,953,452.60 and 1,222,472.40 is: 1,831,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,301.20 : 2,953,452.60 = 1,222,472.40 : x
  2. Step 2: Convert to fraction form
    1,971,301.20/2,953,452.60 = 1,222,472.40/x
  3. Step 3: Cross multiply
    1,971,301.20x = 2,953,452.60 × 1,222,472.40
  4. Step 4: Simplify right side
    1,971,301.20x = 3,610,514,288,208.24
  5. Step 5: Solve for x
    x = 3,610,514,288,208.24/1,971,301.20
  6. Step 6: Final answer
    x = 1,831,538.62

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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.