Home / 2,642,428.71-3,646,531.58-1,435,213.35

Finding the Fourth Proportional to 2,642,428.71, 3,646,531.58 and 1,435,213.35

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Solution

The fourth proportional to 2,642,428.71, 3,646,531.58 and 1,435,213.35 is: 1,980,583.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,428.71 : 3,646,531.58 = 1,435,213.35 : x
  2. Step 2: Convert to fraction form
    2,642,428.71/3,646,531.58 = 1,435,213.35/x
  3. Step 3: Cross multiply
    2,642,428.71x = 3,646,531.58 × 1,435,213.35
  4. Step 4: Simplify right side
    2,642,428.71x = 5,233,550,797,636.53
  5. Step 5: Solve for x
    x = 5,233,550,797,636.53/2,642,428.71
  6. Step 6: Final answer
    x = 1,980,583.54

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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.