Home / 2,877,250-3,970,605-1,605,442

Finding the Fourth Proportional to 2,877,250, 3,970,605 and 1,605,442

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Solution

The fourth proportional to 2,877,250, 3,970,605 and 1,605,442 is: 2,215,509.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,250 : 3,970,605 = 1,605,442 : x
  2. Step 2: Convert to fraction form
    2,877,250/3,970,605 = 1,605,442/x
  3. Step 3: Cross multiply
    2,877,250x = 3,970,605 × 1,605,442
  4. Step 4: Simplify right side
    2,877,250x = 6,374,576,032,410
  5. Step 5: Solve for x
    x = 6,374,576,032,410/2,877,250
  6. Step 6: Final answer
    x = 2,215,509.96

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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.