Home / 2,336,970.80-3,511,621.01-1,258,280.90

Finding the Fourth Proportional to 2,336,970.80, 3,511,621.01 and 1,258,280.90

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Solution

The fourth proportional to 2,336,970.80, 3,511,621.01 and 1,258,280.90 is: 1,890,740.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336,970.80 : 3,511,621.01 = 1,258,280.90 : x
  2. Step 2: Convert to fraction form
    2,336,970.80/3,511,621.01 = 1,258,280.90/x
  3. Step 3: Cross multiply
    2,336,970.80x = 3,511,621.01 × 1,258,280.90
  4. Step 4: Simplify right side
    2,336,970.80x = 4,418,605,643,677.89
  5. Step 5: Solve for x
    x = 4,418,605,643,677.89/2,336,970.80
  6. Step 6: Final answer
    x = 1,890,740.63

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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.