Home / 3,142,077.48-4,706,577.01-1,999,178.28

Finding the Fourth Proportional to 3,142,077.48, 4,706,577.01 and 1,999,178.28

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Solution

The fourth proportional to 3,142,077.48, 4,706,577.01 and 1,999,178.28 is: 2,994,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,077.48 : 4,706,577.01 = 1,999,178.28 : x
  2. Step 2: Convert to fraction form
    3,142,077.48/4,706,577.01 = 1,999,178.28/x
  3. Step 3: Cross multiply
    3,142,077.48x = 4,706,577.01 × 1,999,178.28
  4. Step 4: Simplify right side
    3,142,077.48x = 9,409,286,531,539.34
  5. Step 5: Solve for x
    x = 9,409,286,531,539.34/3,142,077.48
  6. Step 6: Final answer
    x = 2,994,606.78

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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.