Home / 1,913,892.45-2,870,743.23-715,726.68

Finding the Fourth Proportional to 1,913,892.45, 2,870,743.23 and 715,726.68

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Solution

The fourth proportional to 1,913,892.45, 2,870,743.23 and 715,726.68 is: 1,073,554.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,892.45 : 2,870,743.23 = 715,726.68 : x
  2. Step 2: Convert to fraction form
    1,913,892.45/2,870,743.23 = 715,726.68/x
  3. Step 3: Cross multiply
    1,913,892.45x = 2,870,743.23 × 715,726.68
  4. Step 4: Simplify right side
    1,913,892.45x = 2,054,667,521,140.38
  5. Step 5: Solve for x
    x = 2,054,667,521,140.38/1,913,892.45
  6. Step 6: Final answer
    x = 1,073,554.33

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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.