Home / 2,239,130.31-3,090,000.06-1,220,535.06

Finding the Fourth Proportional to 2,239,130.31, 3,090,000.06 and 1,220,535.06

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Solution

The fourth proportional to 2,239,130.31, 3,090,000.06 and 1,220,535.06 is: 1,684,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,130.31 : 3,090,000.06 = 1,220,535.06 : x
  2. Step 2: Convert to fraction form
    2,239,130.31/3,090,000.06 = 1,220,535.06/x
  3. Step 3: Cross multiply
    2,239,130.31x = 3,090,000.06 × 1,220,535.06
  4. Step 4: Simplify right side
    2,239,130.31x = 3,771,453,408,632.10
  5. Step 5: Solve for x
    x = 3,771,453,408,632.10/2,239,130.31
  6. Step 6: Final answer
    x = 1,684,338.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.