Home / 2,158,511.80-3,236,684.64-718,688.06

Finding the Fourth Proportional to 2,158,511.80, 3,236,684.64 and 718,688.06

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Solution

The fourth proportional to 2,158,511.80, 3,236,684.64 and 718,688.06 is: 1,077,671.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,511.80 : 3,236,684.64 = 718,688.06 : x
  2. Step 2: Convert to fraction form
    2,158,511.80/3,236,684.64 = 718,688.06/x
  3. Step 3: Cross multiply
    2,158,511.80x = 3,236,684.64 × 718,688.06
  4. Step 4: Simplify right side
    2,158,511.80x = 2,326,166,604,753.40
  5. Step 5: Solve for x
    x = 2,326,166,604,753.40/2,158,511.80
  6. Step 6: Final answer
    x = 1,077,671.48

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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.