Home / 5,419,386.36-7,478,065.81-2,971,353.22

Finding the Fourth Proportional to 5,419,386.36, 7,478,065.81 and 2,971,353.22

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Solution

The fourth proportional to 5,419,386.36, 7,478,065.81 and 2,971,353.22 is: 4,100,090.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,386.36 : 7,478,065.81 = 2,971,353.22 : x
  2. Step 2: Convert to fraction form
    5,419,386.36/7,478,065.81 = 2,971,353.22/x
  3. Step 3: Cross multiply
    5,419,386.36x = 7,478,065.81 × 2,971,353.22
  4. Step 4: Simplify right side
    5,419,386.36x = 22,219,974,897,791.86
  5. Step 5: Solve for x
    x = 22,219,974,897,791.86/5,419,386.36
  6. Step 6: Final answer
    x = 4,100,090.57

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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.