Home / 1,994,142.70-2,991,214.05-1,151,710.30

Finding the Fourth Proportional to 1,994,142.70, 2,991,214.05 and 1,151,710.30

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Solution

The fourth proportional to 1,994,142.70, 2,991,214.05 and 1,151,710.30 is: 1,727,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,142.70 : 2,991,214.05 = 1,151,710.30 : x
  2. Step 2: Convert to fraction form
    1,994,142.70/2,991,214.05 = 1,151,710.30/x
  3. Step 3: Cross multiply
    1,994,142.70x = 2,991,214.05 × 1,151,710.30
  4. Step 4: Simplify right side
    1,994,142.70x = 3,445,012,030,889.72
  5. Step 5: Solve for x
    x = 3,445,012,030,889.72/1,994,142.70
  6. Step 6: Final answer
    x = 1,727,565.45

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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.