Home / 2,140,318.56-3,210,809.40-720,263.82

Finding the Fourth Proportional to 2,140,318.56, 3,210,809.40 and 720,263.82

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Solution

The fourth proportional to 2,140,318.56, 3,210,809.40 and 720,263.82 is: 1,080,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,318.56 : 3,210,809.40 = 720,263.82 : x
  2. Step 2: Convert to fraction form
    2,140,318.56/3,210,809.40 = 720,263.82/x
  3. Step 3: Cross multiply
    2,140,318.56x = 3,210,809.40 × 720,263.82
  4. Step 4: Simplify right side
    2,140,318.56x = 2,312,629,843,735.91
  5. Step 5: Solve for x
    x = 2,312,629,843,735.91/2,140,318.56
  6. Step 6: Final answer
    x = 1,080,507.31

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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.