Home / 1,905,168.70-2,631,314.85-1,254,702.45

Finding the Fourth Proportional to 1,905,168.70, 2,631,314.85 and 1,254,702.45

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Solution

The fourth proportional to 1,905,168.70, 2,631,314.85 and 1,254,702.45 is: 1,732,926.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,168.70 : 2,631,314.85 = 1,254,702.45 : x
  2. Step 2: Convert to fraction form
    1,905,168.70/2,631,314.85 = 1,254,702.45/x
  3. Step 3: Cross multiply
    1,905,168.70x = 2,631,314.85 × 1,254,702.45
  4. Step 4: Simplify right side
    1,905,168.70x = 3,301,517,189,016.38
  5. Step 5: Solve for x
    x = 3,301,517,189,016.38/1,905,168.70
  6. Step 6: Final answer
    x = 1,732,926.43

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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.