Home / 3,128,117.70-4,692,176.55-1,106,345.55

Finding the Fourth Proportional to 3,128,117.70, 4,692,176.55 and 1,106,345.55

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Solution

The fourth proportional to 3,128,117.70, 4,692,176.55 and 1,106,345.55 is: 1,659,518.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,117.70 : 4,692,176.55 = 1,106,345.55 : x
  2. Step 2: Convert to fraction form
    3,128,117.70/4,692,176.55 = 1,106,345.55/x
  3. Step 3: Cross multiply
    3,128,117.70x = 4,692,176.55 × 1,106,345.55
  4. Step 4: Simplify right side
    3,128,117.70x = 5,191,168,645,906.85
  5. Step 5: Solve for x
    x = 5,191,168,645,906.85/3,128,117.70
  6. Step 6: Final answer
    x = 1,659,518.33

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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.