Home / 3,138,323.70-4,707,485.55-1,008,623.10

Finding the Fourth Proportional to 3,138,323.70, 4,707,485.55 and 1,008,623.10

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Solution

The fourth proportional to 3,138,323.70, 4,707,485.55 and 1,008,623.10 is: 1,512,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,323.70 : 4,707,485.55 = 1,008,623.10 : x
  2. Step 2: Convert to fraction form
    3,138,323.70/4,707,485.55 = 1,008,623.10/x
  3. Step 3: Cross multiply
    3,138,323.70x = 4,707,485.55 × 1,008,623.10
  4. Step 4: Simplify right side
    3,138,323.70x = 4,748,078,668,646.21
  5. Step 5: Solve for x
    x = 4,748,078,668,646.21/3,138,323.70
  6. Step 6: Final answer
    x = 1,512,934.65

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Double scale
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Similar ratio
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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.