Home / 2,127,122.48-3,190,682.10-631,214.48

Finding the Fourth Proportional to 2,127,122.48, 3,190,682.10 and 631,214.48

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Solution

The fourth proportional to 2,127,122.48, 3,190,682.10 and 631,214.48 is: 946,821.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,122.48 : 3,190,682.10 = 631,214.48 : x
  2. Step 2: Convert to fraction form
    2,127,122.48/3,190,682.10 = 631,214.48/x
  3. Step 3: Cross multiply
    2,127,122.48x = 3,190,682.10 × 631,214.48
  4. Step 4: Simplify right side
    2,127,122.48x = 2,014,004,742,596.81
  5. Step 5: Solve for x
    x = 2,014,004,742,596.81/2,127,122.48
  6. Step 6: Final answer
    x = 946,821.24

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Double scale
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Similar ratio
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1.5x scale

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.