Home / 3,161,717.13-4,742,706.82-917,855.13

Finding the Fourth Proportional to 3,161,717.13, 4,742,706.82 and 917,855.13

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Solution

The fourth proportional to 3,161,717.13, 4,742,706.82 and 917,855.13 is: 1,376,820.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,717.13 : 4,742,706.82 = 917,855.13 : x
  2. Step 2: Convert to fraction form
    3,161,717.13/4,742,706.82 = 917,855.13/x
  3. Step 3: Cross multiply
    3,161,717.13x = 4,742,706.82 × 917,855.13
  4. Step 4: Simplify right side
    3,161,717.13x = 4,353,117,784,822.99
  5. Step 5: Solve for x
    x = 4,353,117,784,822.99/3,161,717.13
  6. Step 6: Final answer
    x = 1,376,820.76

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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.