Home / 3,116,998.80-4,673,165.40-1,698,656.40

Finding the Fourth Proportional to 3,116,998.80, 4,673,165.40 and 1,698,656.40

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Solution

The fourth proportional to 3,116,998.80, 4,673,165.40 and 1,698,656.40 is: 2,546,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,998.80 : 4,673,165.40 = 1,698,656.40 : x
  2. Step 2: Convert to fraction form
    3,116,998.80/4,673,165.40 = 1,698,656.40/x
  3. Step 3: Cross multiply
    3,116,998.80x = 4,673,165.40 × 1,698,656.40
  4. Step 4: Simplify right side
    3,116,998.80x = 7,938,102,314,968.56
  5. Step 5: Solve for x
    x = 7,938,102,314,968.56/3,116,998.80
  6. Step 6: Final answer
    x = 2,546,713.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.