Home / 3,891,396.15-5,370,622.05-2,259,478.62

Finding the Fourth Proportional to 3,891,396.15, 5,370,622.05 and 2,259,478.62

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Solution

The fourth proportional to 3,891,396.15, 5,370,622.05 and 2,259,478.62 is: 3,118,368.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891,396.15 : 5,370,622.05 = 2,259,478.62 : x
  2. Step 2: Convert to fraction form
    3,891,396.15/5,370,622.05 = 2,259,478.62/x
  3. Step 3: Cross multiply
    3,891,396.15x = 5,370,622.05 × 2,259,478.62
  4. Step 4: Simplify right side
    3,891,396.15x = 12,134,805,698,075.57
  5. Step 5: Solve for x
    x = 12,134,805,698,075.57/3,891,396.15
  6. Step 6: Final answer
    x = 3,118,368.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.