Home / 2,980,886.40-4,471,572.60-1,275,042.60

Finding the Fourth Proportional to 2,980,886.40, 4,471,572.60 and 1,275,042.60

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Solution

The fourth proportional to 2,980,886.40, 4,471,572.60 and 1,275,042.60 is: 1,912,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,886.40 : 4,471,572.60 = 1,275,042.60 : x
  2. Step 2: Convert to fraction form
    2,980,886.40/4,471,572.60 = 1,275,042.60/x
  3. Step 3: Cross multiply
    2,980,886.40x = 4,471,572.60 × 1,275,042.60
  4. Step 4: Simplify right side
    2,980,886.40x = 5,701,445,553,992.76
  5. Step 5: Solve for x
    x = 5,701,445,553,992.76/2,980,886.40
  6. Step 6: Final answer
    x = 1,912,667.84

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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.