Home / 3,005,639.10-4,499,601.30-1,995,901.20

Finding the Fourth Proportional to 3,005,639.10, 4,499,601.30 and 1,995,901.20

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Solution

The fourth proportional to 3,005,639.10, 4,499,601.30 and 1,995,901.20 is: 2,987,970.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,639.10 : 4,499,601.30 = 1,995,901.20 : x
  2. Step 2: Convert to fraction form
    3,005,639.10/4,499,601.30 = 1,995,901.20/x
  3. Step 3: Cross multiply
    3,005,639.10x = 4,499,601.30 × 1,995,901.20
  4. Step 4: Simplify right side
    3,005,639.10x = 8,980,759,634,191.56
  5. Step 5: Solve for x
    x = 8,980,759,634,191.56/3,005,639.10
  6. Step 6: Final answer
    x = 2,987,970.06

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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.