Home / 3,119,075.72-4,676,611.40-1,298,701.66

Finding the Fourth Proportional to 3,119,075.72, 4,676,611.40 and 1,298,701.66

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Solution

The fourth proportional to 3,119,075.72, 4,676,611.40 and 1,298,701.66 is: 1,947,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,075.72 : 4,676,611.40 = 1,298,701.66 : x
  2. Step 2: Convert to fraction form
    3,119,075.72/4,676,611.40 = 1,298,701.66/x
  3. Step 3: Cross multiply
    3,119,075.72x = 4,676,611.40 × 1,298,701.66
  4. Step 4: Simplify right side
    3,119,075.72x = 6,073,522,988,354.92
  5. Step 5: Solve for x
    x = 6,073,522,988,354.92/3,119,075.72
  6. Step 6: Final answer
    x = 1,947,218.83

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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.