Home / 2,143,802.10-3,212,938.35-1,642,682.10

Finding the Fourth Proportional to 2,143,802.10, 3,212,938.35 and 1,642,682.10

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Solution

The fourth proportional to 2,143,802.10, 3,212,938.35 and 1,642,682.10 is: 2,461,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,802.10 : 3,212,938.35 = 1,642,682.10 : x
  2. Step 2: Convert to fraction form
    2,143,802.10/3,212,938.35 = 1,642,682.10/x
  3. Step 3: Cross multiply
    2,143,802.10x = 3,212,938.35 × 1,642,682.10
  4. Step 4: Simplify right side
    2,143,802.10x = 5,277,836,315,948.54
  5. Step 5: Solve for x
    x = 5,277,836,315,948.54/2,143,802.10
  6. Step 6: Final answer
    x = 2,461,904.63

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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.