Home / 6,143,628.17-8,478,210.48-3,427,374.17

Finding the Fourth Proportional to 6,143,628.17, 8,478,210.48 and 3,427,374.17

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Solution

The fourth proportional to 6,143,628.17, 8,478,210.48 and 3,427,374.17 is: 4,729,778.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143,628.17 : 8,478,210.48 = 3,427,374.17 : x
  2. Step 2: Convert to fraction form
    6,143,628.17/8,478,210.48 = 3,427,374.17/x
  3. Step 3: Cross multiply
    6,143,628.17x = 8,478,210.48 × 3,427,374.17
  4. Step 4: Simplify right side
    6,143,628.17x = 29,057,999,606,975.30
  5. Step 5: Solve for x
    x = 29,057,999,606,975.30/6,143,628.17
  6. Step 6: Final answer
    x = 4,729,778.37

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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.