Home / 3,018,411.90-4,165,405.38-1,729,257.39

Finding the Fourth Proportional to 3,018,411.90, 4,165,405.38 and 1,729,257.39

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Solution

The fourth proportional to 3,018,411.90, 4,165,405.38 and 1,729,257.39 is: 2,386,373.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018,411.90 : 4,165,405.38 = 1,729,257.39 : x
  2. Step 2: Convert to fraction form
    3,018,411.90/4,165,405.38 = 1,729,257.39/x
  3. Step 3: Cross multiply
    3,018,411.90x = 4,165,405.38 × 1,729,257.39
  4. Step 4: Simplify right side
    3,018,411.90x = 7,203,058,035,710.76
  5. Step 5: Solve for x
    x = 7,203,058,035,710.76/3,018,411.90
  6. Step 6: Final answer
    x = 2,386,373.46

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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.