Home / 4,130,811.72-6,191,787.69-1,997,961.84

Finding the Fourth Proportional to 4,130,811.72, 6,191,787.69 and 1,997,961.84

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Solution

The fourth proportional to 4,130,811.72, 6,191,787.69 and 1,997,961.84 is: 2,994,800.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130,811.72 : 6,191,787.69 = 1,997,961.84 : x
  2. Step 2: Convert to fraction form
    4,130,811.72/6,191,787.69 = 1,997,961.84/x
  3. Step 3: Cross multiply
    4,130,811.72x = 6,191,787.69 × 1,997,961.84
  4. Step 4: Simplify right side
    4,130,811.72x = 12,370,955,526,001.75
  5. Step 5: Solve for x
    x = 12,370,955,526,001.75/4,130,811.72
  6. Step 6: Final answer
    x = 2,994,800.14

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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.