Home / 2,911,132.48-4,017,390.72-1,604,431.92

Finding the Fourth Proportional to 2,911,132.48, 4,017,390.72 and 1,604,431.92

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Solution

The fourth proportional to 2,911,132.48, 4,017,390.72 and 1,604,431.92 is: 2,214,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,132.48 : 4,017,390.72 = 1,604,431.92 : x
  2. Step 2: Convert to fraction form
    2,911,132.48/4,017,390.72 = 1,604,431.92/x
  3. Step 3: Cross multiply
    2,911,132.48x = 4,017,390.72 × 1,604,431.92
  4. Step 4: Simplify right side
    2,911,132.48x = 6,445,629,906,279.78
  5. Step 5: Solve for x
    x = 6,445,629,906,279.78/2,911,132.48
  6. Step 6: Final answer
    x = 2,214,131.42

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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.