Home / 3,188,336.40-4,779,182.52-1,390,736.88

Finding the Fourth Proportional to 3,188,336.40, 4,779,182.52 and 1,390,736.88

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Solution

The fourth proportional to 3,188,336.40, 4,779,182.52 and 1,390,736.88 is: 2,084,656.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,336.40 : 4,779,182.52 = 1,390,736.88 : x
  2. Step 2: Convert to fraction form
    3,188,336.40/4,779,182.52 = 1,390,736.88/x
  3. Step 3: Cross multiply
    3,188,336.40x = 4,779,182.52 × 1,390,736.88
  4. Step 4: Simplify right side
    3,188,336.40x = 6,646,585,386,815.34
  5. Step 5: Solve for x
    x = 6,646,585,386,815.34/3,188,336.40
  6. Step 6: Final answer
    x = 2,084,656.24

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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.