Home / 3,146,779.28-4,718,867.58-987,084

Finding the Fourth Proportional to 3,146,779.28, 4,718,867.58 and 987,084

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Solution

The fourth proportional to 3,146,779.28, 4,718,867.58 and 987,084 is: 1,480,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,779.28 : 4,718,867.58 = 987,084 : x
  2. Step 2: Convert to fraction form
    3,146,779.28/4,718,867.58 = 987,084/x
  3. Step 3: Cross multiply
    3,146,779.28x = 4,718,867.58 × 987,084
  4. Step 4: Simplify right side
    3,146,779.28x = 4,657,918,686,336.72
  5. Step 5: Solve for x
    x = 4,657,918,686,336.72/3,146,779.28
  6. Step 6: Final answer
    x = 1,480,217.79

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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.