Home / 2,166,915.39-2,989,351.08-1,403,214.99

Finding the Fourth Proportional to 2,166,915.39, 2,989,351.08 and 1,403,214.99

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Solution

The fourth proportional to 2,166,915.39, 2,989,351.08 and 1,403,214.99 is: 1,935,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,915.39 : 2,989,351.08 = 1,403,214.99 : x
  2. Step 2: Convert to fraction form
    2,166,915.39/2,989,351.08 = 1,403,214.99/x
  3. Step 3: Cross multiply
    2,166,915.39x = 2,989,351.08 × 1,403,214.99
  4. Step 4: Simplify right side
    2,166,915.39x = 4,194,702,245,828.69
  5. Step 5: Solve for x
    x = 4,194,702,245,828.69/2,166,915.39
  6. Step 6: Final answer
    x = 1,935,794.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.