Home / 5,618,819.30-8,428,250.80-1,358,980.70

Finding the Fourth Proportional to 5,618,819.30, 8,428,250.80 and 1,358,980.70

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Solution

The fourth proportional to 5,618,819.30, 8,428,250.80 and 1,358,980.70 is: 2,038,476.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618,819.30 : 8,428,250.80 = 1,358,980.70 : x
  2. Step 2: Convert to fraction form
    5,618,819.30/8,428,250.80 = 1,358,980.70/x
  3. Step 3: Cross multiply
    5,618,819.30x = 8,428,250.80 × 1,358,980.70
  4. Step 4: Simplify right side
    5,618,819.30x = 11,453,830,171,959.56
  5. Step 5: Solve for x
    x = 11,453,830,171,959.56/5,618,819.30
  6. Step 6: Final answer
    x = 2,038,476.33

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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.