Home / 1,913,893.20-2,870,744.36-715,727.43

Finding the Fourth Proportional to 1,913,893.20, 2,870,744.36 and 715,727.43

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Solution

The fourth proportional to 1,913,893.20, 2,870,744.36 and 715,727.43 is: 1,073,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,893.20 : 2,870,744.36 = 715,727.43 : x
  2. Step 2: Convert to fraction form
    1,913,893.20/2,870,744.36 = 715,727.43/x
  3. Step 3: Cross multiply
    1,913,893.20x = 2,870,744.36 × 715,727.43
  4. Step 4: Simplify right side
    1,913,893.20x = 2,054,670,479,391.16
  5. Step 5: Solve for x
    x = 2,054,670,479,391.16/1,913,893.20
  6. Step 6: Final answer
    x = 1,073,555.45

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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.