Home / 2,804,815.20-4,207,222.80-911,618.40

Finding the Fourth Proportional to 2,804,815.20, 4,207,222.80 and 911,618.40

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Solution

The fourth proportional to 2,804,815.20, 4,207,222.80 and 911,618.40 is: 1,367,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804,815.20 : 4,207,222.80 = 911,618.40 : x
  2. Step 2: Convert to fraction form
    2,804,815.20/4,207,222.80 = 911,618.40/x
  3. Step 3: Cross multiply
    2,804,815.20x = 4,207,222.80 × 911,618.40
  4. Step 4: Simplify right side
    2,804,815.20x = 3,835,381,717,379.52
  5. Step 5: Solve for x
    x = 3,835,381,717,379.52/2,804,815.20
  6. Step 6: Final answer
    x = 1,367,427.60

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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.