Home / 3,118,460.25-4,303,475.16-1,687,676.25

Finding the Fourth Proportional to 3,118,460.25, 4,303,475.16 and 1,687,676.25

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Solution

The fourth proportional to 3,118,460.25, 4,303,475.16 and 1,687,676.25 is: 2,328,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,460.25 : 4,303,475.16 = 1,687,676.25 : x
  2. Step 2: Convert to fraction form
    3,118,460.25/4,303,475.16 = 1,687,676.25/x
  3. Step 3: Cross multiply
    3,118,460.25x = 4,303,475.16 × 1,687,676.25
  4. Step 4: Simplify right side
    3,118,460.25x = 7,262,872,819,996.95
  5. Step 5: Solve for x
    x = 7,262,872,819,996.95/3,118,460.25
  6. Step 6: Final answer
    x = 2,328,993.23

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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.