Home / 4,309,974.40-6,464,993.98-1,913,174.68

Finding the Fourth Proportional to 4,309,974.40, 6,464,993.98 and 1,913,174.68

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Solution

The fourth proportional to 4,309,974.40, 6,464,993.98 and 1,913,174.68 is: 2,869,776.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309,974.40 : 6,464,993.98 = 1,913,174.68 : x
  2. Step 2: Convert to fraction form
    4,309,974.40/6,464,993.98 = 1,913,174.68/x
  3. Step 3: Cross multiply
    4,309,974.40x = 6,464,993.98 × 1,913,174.68
  4. Step 4: Simplify right side
    4,309,974.40x = 12,368,662,788,888.43
  5. Step 5: Solve for x
    x = 12,368,662,788,888.43/4,309,974.40
  6. Step 6: Final answer
    x = 2,869,776.39

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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.