Home / 3,642,172.29-5,461,975.89-1,212,665.91

Finding the Fourth Proportional to 3,642,172.29, 5,461,975.89 and 1,212,665.91

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Solution

The fourth proportional to 3,642,172.29, 5,461,975.89 and 1,212,665.91 is: 1,818,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,172.29 : 5,461,975.89 = 1,212,665.91 : x
  2. Step 2: Convert to fraction form
    3,642,172.29/5,461,975.89 = 1,212,665.91/x
  3. Step 3: Cross multiply
    3,642,172.29x = 5,461,975.89 × 1,212,665.91
  4. Step 4: Simplify right side
    3,642,172.29x = 6,623,551,963,044.91
  5. Step 5: Solve for x
    x = 6,623,551,963,044.91/3,642,172.29
  6. Step 6: Final answer
    x = 1,818,571.84

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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.