Home / 2,107,187.75-2,907,919-1,140,317.93

Finding the Fourth Proportional to 2,107,187.75, 2,907,919 and 1,140,317.93

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Solution

The fourth proportional to 2,107,187.75, 2,907,919 and 1,140,317.93 is: 1,573,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,187.75 : 2,907,919 = 1,140,317.93 : x
  2. Step 2: Convert to fraction form
    2,107,187.75/2,907,919 = 1,140,317.93/x
  3. Step 3: Cross multiply
    2,107,187.75x = 2,907,919 × 1,140,317.93
  4. Step 4: Simplify right side
    2,107,187.75x = 3,315,952,174,687.67
  5. Step 5: Solve for x
    x = 3,315,952,174,687.67/2,107,187.75
  6. Step 6: Final answer
    x = 1,573,638.69

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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.