Home / 2,135,894.40-3,205,020.96-874,605.60

Finding the Fourth Proportional to 2,135,894.40, 3,205,020.96 and 874,605.60

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Solution

The fourth proportional to 2,135,894.40, 3,205,020.96 and 874,605.60 is: 1,312,391.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,894.40 : 3,205,020.96 = 874,605.60 : x
  2. Step 2: Convert to fraction form
    2,135,894.40/3,205,020.96 = 874,605.60/x
  3. Step 3: Cross multiply
    2,135,894.40x = 3,205,020.96 × 874,605.60
  4. Step 4: Simplify right side
    2,135,894.40x = 2,803,129,279,733.38
  5. Step 5: Solve for x
    x = 2,803,129,279,733.38/2,135,894.40
  6. Step 6: Final answer
    x = 1,312,391.32

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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.