Home / 1,776,076.10-2,664,114.15-1,209,205.70

Finding the Fourth Proportional to 1,776,076.10, 2,664,114.15 and 1,209,205.70

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Solution

The fourth proportional to 1,776,076.10, 2,664,114.15 and 1,209,205.70 is: 1,813,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,076.10 : 2,664,114.15 = 1,209,205.70 : x
  2. Step 2: Convert to fraction form
    1,776,076.10/2,664,114.15 = 1,209,205.70/x
  3. Step 3: Cross multiply
    1,776,076.10x = 2,664,114.15 × 1,209,205.70
  4. Step 4: Simplify right side
    1,776,076.10x = 3,221,462,015,630.66
  5. Step 5: Solve for x
    x = 3,221,462,015,630.66/1,776,076.10
  6. Step 6: Final answer
    x = 1,813,808.55

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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.