Home / 1,865,431.80-2,794,211.10-1,665,977.40

Finding the Fourth Proportional to 1,865,431.80, 2,794,211.10 and 1,665,977.40

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Solution

The fourth proportional to 1,865,431.80, 2,794,211.10 and 1,665,977.40 is: 2,495,450.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,431.80 : 2,794,211.10 = 1,665,977.40 : x
  2. Step 2: Convert to fraction form
    1,865,431.80/2,794,211.10 = 1,665,977.40/x
  3. Step 3: Cross multiply
    1,865,431.80x = 2,794,211.10 × 1,665,977.40
  4. Step 4: Simplify right side
    1,865,431.80x = 4,655,092,543,429.14
  5. Step 5: Solve for x
    x = 4,655,092,543,429.14/1,865,431.80
  6. Step 6: Final answer
    x = 2,495,450.41

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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.