Home / 2,153,761.60-3,233,266.80-2,138,015.20

Finding the Fourth Proportional to 2,153,761.60, 3,233,266.80 and 2,138,015.20

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Solution

The fourth proportional to 2,153,761.60, 3,233,266.80 and 2,138,015.20 is: 3,209,628.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,761.60 : 3,233,266.80 = 2,138,015.20 : x
  2. Step 2: Convert to fraction form
    2,153,761.60/3,233,266.80 = 2,138,015.20/x
  3. Step 3: Cross multiply
    2,153,761.60x = 3,233,266.80 × 2,138,015.20
  4. Step 4: Simplify right side
    2,153,761.60x = 6,912,773,564,055.36
  5. Step 5: Solve for x
    x = 6,912,773,564,055.36/2,153,761.60
  6. Step 6: Final answer
    x = 3,209,628.01

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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.