Home / 2,798,139.60-4,197,209.40-1,001,081.70

Finding the Fourth Proportional to 2,798,139.60, 4,197,209.40 and 1,001,081.70

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Solution

The fourth proportional to 2,798,139.60, 4,197,209.40 and 1,001,081.70 is: 1,501,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,139.60 : 4,197,209.40 = 1,001,081.70 : x
  2. Step 2: Convert to fraction form
    2,798,139.60/4,197,209.40 = 1,001,081.70/x
  3. Step 3: Cross multiply
    2,798,139.60x = 4,197,209.40 × 1,001,081.70
  4. Step 4: Simplify right side
    2,798,139.60x = 4,201,749,521,407.98
  5. Step 5: Solve for x
    x = 4,201,749,521,407.98/2,798,139.60
  6. Step 6: Final answer
    x = 1,501,622.55

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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.