Home / 3,209,790.58-4,813,921.95-1,290,706.36

Finding the Fourth Proportional to 3,209,790.58, 4,813,921.95 and 1,290,706.36

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Solution

The fourth proportional to 3,209,790.58, 4,813,921.95 and 1,290,706.36 is: 1,935,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,790.58 : 4,813,921.95 = 1,290,706.36 : x
  2. Step 2: Convert to fraction form
    3,209,790.58/4,813,921.95 = 1,290,706.36/x
  3. Step 3: Cross multiply
    3,209,790.58x = 4,813,921.95 × 1,290,706.36
  4. Step 4: Simplify right side
    3,209,790.58x = 6,213,359,677,408.60
  5. Step 5: Solve for x
    x = 6,213,359,677,408.60/3,209,790.58
  6. Step 6: Final answer
    x = 1,935,752.36

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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.