Home / 2,214,686.40-3,321,856.80-866,587.20

Finding the Fourth Proportional to 2,214,686.40, 3,321,856.80 and 866,587.20

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Solution

The fourth proportional to 2,214,686.40, 3,321,856.80 and 866,587.20 is: 1,299,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,686.40 : 3,321,856.80 = 866,587.20 : x
  2. Step 2: Convert to fraction form
    2,214,686.40/3,321,856.80 = 866,587.20/x
  3. Step 3: Cross multiply
    2,214,686.40x = 3,321,856.80 × 866,587.20
  4. Step 4: Simplify right side
    2,214,686.40x = 2,878,678,583,112.96
  5. Step 5: Solve for x
    x = 2,878,678,583,112.96/2,214,686.40
  6. Step 6: Final answer
    x = 1,299,813.18

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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.