Home / 1,869,968.10-2,804,952.15-1,639,020.90

Finding the Fourth Proportional to 1,869,968.10, 2,804,952.15 and 1,639,020.90

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Solution

The fourth proportional to 1,869,968.10, 2,804,952.15 and 1,639,020.90 is: 2,458,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,968.10 : 2,804,952.15 = 1,639,020.90 : x
  2. Step 2: Convert to fraction form
    1,869,968.10/2,804,952.15 = 1,639,020.90/x
  3. Step 3: Cross multiply
    1,869,968.10x = 2,804,952.15 × 1,639,020.90
  4. Step 4: Simplify right side
    1,869,968.10x = 4,597,375,197,349.93
  5. Step 5: Solve for x
    x = 4,597,375,197,349.93/1,869,968.10
  6. Step 6: Final answer
    x = 2,458,531.35

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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.