Home / 3,742,556.40-5,164,649.10-2,215,155.60

Finding the Fourth Proportional to 3,742,556.40, 5,164,649.10 and 2,215,155.60

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Solution

The fourth proportional to 3,742,556.40, 5,164,649.10 and 2,215,155.60 is: 3,056,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742,556.40 : 5,164,649.10 = 2,215,155.60 : x
  2. Step 2: Convert to fraction form
    3,742,556.40/5,164,649.10 = 2,215,155.60/x
  3. Step 3: Cross multiply
    3,742,556.40x = 5,164,649.10 × 2,215,155.60
  4. Step 4: Simplify right side
    3,742,556.40x = 11,440,501,375,899.96
  5. Step 5: Solve for x
    x = 11,440,501,375,899.96/3,742,556.40
  6. Step 6: Final answer
    x = 3,056,868.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.