Home / 2,140,317.56-3,210,807.90-720,262.82

Finding the Fourth Proportional to 2,140,317.56, 3,210,807.90 and 720,262.82

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Solution

The fourth proportional to 2,140,317.56, 3,210,807.90 and 720,262.82 is: 1,080,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,317.56 : 3,210,807.90 = 720,262.82 : x
  2. Step 2: Convert to fraction form
    2,140,317.56/3,210,807.90 = 720,262.82/x
  3. Step 3: Cross multiply
    2,140,317.56x = 3,210,807.90 × 720,262.82
  4. Step 4: Simplify right side
    2,140,317.56x = 2,312,625,552,532.28
  5. Step 5: Solve for x
    x = 2,312,625,552,532.28/2,140,317.56
  6. Step 6: Final answer
    x = 1,080,505.81

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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.