Home / 2,130,084.54-2,941,146.86-1,405,961.55

Finding the Fourth Proportional to 2,130,084.54, 2,941,146.86 and 1,405,961.55

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Solution

The fourth proportional to 2,130,084.54, 2,941,146.86 and 1,405,961.55 is: 1,941,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,084.54 : 2,941,146.86 = 1,405,961.55 : x
  2. Step 2: Convert to fraction form
    2,130,084.54/2,941,146.86 = 1,405,961.55/x
  3. Step 3: Cross multiply
    2,130,084.54x = 2,941,146.86 × 1,405,961.55
  4. Step 4: Simplify right side
    2,130,084.54x = 4,135,139,391,033.43
  5. Step 5: Solve for x
    x = 4,135,139,391,033.43/2,130,084.54
  6. Step 6: Final answer
    x = 1,941,302.95

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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.