Home / 1,813,129.45-2,501,939.35-1,038,611.60

Finding the Fourth Proportional to 1,813,129.45, 2,501,939.35 and 1,038,611.60

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Solution

The fourth proportional to 1,813,129.45, 2,501,939.35 and 1,038,611.60 is: 1,433,181.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,129.45 : 2,501,939.35 = 1,038,611.60 : x
  2. Step 2: Convert to fraction form
    1,813,129.45/2,501,939.35 = 1,038,611.60/x
  3. Step 3: Cross multiply
    1,813,129.45x = 2,501,939.35 × 1,038,611.60
  4. Step 4: Simplify right side
    1,813,129.45x = 2,598,543,231,406.46
  5. Step 5: Solve for x
    x = 2,598,543,231,406.46/1,813,129.45
  6. Step 6: Final answer
    x = 1,433,181.31

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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.