Home / 1,913,893.70-2,870,745.11-715,727.93

Finding the Fourth Proportional to 1,913,893.70, 2,870,745.11 and 715,727.93

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Solution

The fourth proportional to 1,913,893.70, 2,870,745.11 and 715,727.93 is: 1,073,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,893.70 : 2,870,745.11 = 715,727.93 : x
  2. Step 2: Convert to fraction form
    1,913,893.70/2,870,745.11 = 715,727.93/x
  3. Step 3: Cross multiply
    1,913,893.70x = 2,870,745.11 × 715,727.93
  4. Step 4: Simplify right side
    1,913,893.70x = 2,054,672,451,559.28
  5. Step 5: Solve for x
    x = 2,054,672,451,559.28/1,913,893.70
  6. Step 6: Final answer
    x = 1,073,556.20

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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.