Home / 3,317,813.40-4,578,037.60-1,921,878.64

Finding the Fourth Proportional to 3,317,813.40, 4,578,037.60 and 1,921,878.64

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Solution

The fourth proportional to 3,317,813.40, 4,578,037.60 and 1,921,878.64 is: 2,651,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317,813.40 : 4,578,037.60 = 1,921,878.64 : x
  2. Step 2: Convert to fraction form
    3,317,813.40/4,578,037.60 = 1,921,878.64/x
  3. Step 3: Cross multiply
    3,317,813.40x = 4,578,037.60 × 1,921,878.64
  4. Step 4: Simplify right side
    3,317,813.40x = 8,798,432,676,556.86
  5. Step 5: Solve for x
    x = 8,798,432,676,556.86/3,317,813.40
  6. Step 6: Final answer
    x = 2,651,876.89

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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.