Home / 6,378,315.40-8,802,116.82-3,477,754.12

Finding the Fourth Proportional to 6,378,315.40, 8,802,116.82 and 3,477,754.12

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Solution

The fourth proportional to 6,378,315.40, 8,802,116.82 and 3,477,754.12 is: 4,799,323.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378,315.40 : 8,802,116.82 = 3,477,754.12 : x
  2. Step 2: Convert to fraction form
    6,378,315.40/8,802,116.82 = 3,477,754.12/x
  3. Step 3: Cross multiply
    6,378,315.40x = 8,802,116.82 × 3,477,754.12
  4. Step 4: Simplify right side
    6,378,315.40x = 30,611,598,035,476.30
  5. Step 5: Solve for x
    x = 30,611,598,035,476.30/6,378,315.40
  6. Step 6: Final answer
    x = 4,799,323.35

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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.