Home / 3,317,808.40-4,578,030.70-1,921,873.64

Finding the Fourth Proportional to 3,317,808.40, 4,578,030.70 and 1,921,873.64

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Solution

The fourth proportional to 3,317,808.40, 4,578,030.70 and 1,921,873.64 is: 2,651,869.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317,808.40 : 4,578,030.70 = 1,921,873.64 : x
  2. Step 2: Convert to fraction form
    3,317,808.40/4,578,030.70 = 1,921,873.64/x
  3. Step 3: Cross multiply
    3,317,808.40x = 4,578,030.70 × 1,921,873.64
  4. Step 4: Simplify right side
    3,317,808.40x = 8,798,396,497,745.91
  5. Step 5: Solve for x
    x = 8,798,396,497,745.91/3,317,808.40
  6. Step 6: Final answer
    x = 2,651,869.98

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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.