Home / 6,631,483-9,947,223.96-1,839,172.20

Finding the Fourth Proportional to 6,631,483, 9,947,223.96 and 1,839,172.20

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Solution

The fourth proportional to 6,631,483, 9,947,223.96 and 1,839,172.20 is: 2,758,758.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631,483 : 9,947,223.96 = 1,839,172.20 : x
  2. Step 2: Convert to fraction form
    6,631,483/9,947,223.96 = 1,839,172.20/x
  3. Step 3: Cross multiply
    6,631,483x = 9,947,223.96 × 1,839,172.20
  4. Step 4: Simplify right side
    6,631,483x = 18,294,657,774,405.91
  5. Step 5: Solve for x
    x = 18,294,657,774,405.91/6,631,483
  6. Step 6: Final answer
    x = 2,758,758.15

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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.