Home / 4,240,219.78-6,362,431.29-1,681,379.86

Finding the Fourth Proportional to 4,240,219.78, 6,362,431.29 and 1,681,379.86

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Solution

The fourth proportional to 4,240,219.78, 6,362,431.29 and 1,681,379.86 is: 2,522,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240,219.78 : 6,362,431.29 = 1,681,379.86 : x
  2. Step 2: Convert to fraction form
    4,240,219.78/6,362,431.29 = 1,681,379.86/x
  3. Step 3: Cross multiply
    4,240,219.78x = 6,362,431.29 × 1,681,379.86
  4. Step 4: Simplify right side
    4,240,219.78x = 10,697,663,831,639.82
  5. Step 5: Solve for x
    x = 10,697,663,831,639.82/4,240,219.78
  6. Step 6: Final answer
    x = 2,522,903.15

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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.