Home / 5,875,717.78-8,102,855.47-3,780,421.68

Finding the Fourth Proportional to 5,875,717.78, 8,102,855.47 and 3,780,421.68

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Solution

The fourth proportional to 5,875,717.78, 8,102,855.47 and 3,780,421.68 is: 5,213,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875,717.78 : 8,102,855.47 = 3,780,421.68 : x
  2. Step 2: Convert to fraction form
    5,875,717.78/8,102,855.47 = 3,780,421.68/x
  3. Step 3: Cross multiply
    5,875,717.78x = 8,102,855.47 × 3,780,421.68
  4. Step 4: Simplify right side
    5,875,717.78x = 30,632,210,472,277.27
  5. Step 5: Solve for x
    x = 30,632,210,472,277.27/5,875,717.78
  6. Step 6: Final answer
    x = 5,213,356.33

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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.