Home / 2,124,428.82-3,187,585.08-1,113,310.32

Finding the Fourth Proportional to 2,124,428.82, 3,187,585.08 and 1,113,310.32

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Solution

The fourth proportional to 2,124,428.82, 3,187,585.08 and 1,113,310.32 is: 1,670,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,428.82 : 3,187,585.08 = 1,113,310.32 : x
  2. Step 2: Convert to fraction form
    2,124,428.82/3,187,585.08 = 1,113,310.32/x
  3. Step 3: Cross multiply
    2,124,428.82x = 3,187,585.08 × 1,113,310.32
  4. Step 4: Simplify right side
    2,124,428.82x = 3,548,771,365,442.03
  5. Step 5: Solve for x
    x = 3,548,771,365,442.03/2,124,428.82
  6. Step 6: Final answer
    x = 1,670,459.06

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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.