Home / 1,931,408.31-2,665,673.33-1,115,465.34

Finding the Fourth Proportional to 1,931,408.31, 2,665,673.33 and 1,115,465.34

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Solution

The fourth proportional to 1,931,408.31, 2,665,673.33 and 1,115,465.34 is: 1,539,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,408.31 : 2,665,673.33 = 1,115,465.34 : x
  2. Step 2: Convert to fraction form
    1,931,408.31/2,665,673.33 = 1,115,465.34/x
  3. Step 3: Cross multiply
    1,931,408.31x = 2,665,673.33 × 1,115,465.34
  4. Step 4: Simplify right side
    1,931,408.31x = 2,973,466,207,377.38
  5. Step 5: Solve for x
    x = 2,973,466,207,377.38/1,931,408.31
  6. Step 6: Final answer
    x = 1,539,532.68

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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.