Home / 2,653,111.20-3,979,666.80-1,696,517.40

Finding the Fourth Proportional to 2,653,111.20, 3,979,666.80 and 1,696,517.40

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Solution

The fourth proportional to 2,653,111.20, 3,979,666.80 and 1,696,517.40 is: 2,544,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653,111.20 : 3,979,666.80 = 1,696,517.40 : x
  2. Step 2: Convert to fraction form
    2,653,111.20/3,979,666.80 = 1,696,517.40/x
  3. Step 3: Cross multiply
    2,653,111.20x = 3,979,666.80 × 1,696,517.40
  4. Step 4: Simplify right side
    2,653,111.20x = 6,751,573,972,402.32
  5. Step 5: Solve for x
    x = 6,751,573,972,402.32/2,653,111.20
  6. Step 6: Final answer
    x = 2,544,776.10

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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.