Home / 6,871,129.10-10,307,860.05-2,078,780.30

Finding the Fourth Proportional to 6,871,129.10, 10,307,860.05 and 2,078,780.30

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Solution

The fourth proportional to 6,871,129.10, 10,307,860.05 and 2,078,780.30 is: 3,118,523.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871,129.10 : 10,307,860.05 = 2,078,780.30 : x
  2. Step 2: Convert to fraction form
    6,871,129.10/10,307,860.05 = 2,078,780.30/x
  3. Step 3: Cross multiply
    6,871,129.10x = 10,307,860.05 × 2,078,780.30
  4. Step 4: Simplify right side
    6,871,129.10x = 21,427,776,407,097.02
  5. Step 5: Solve for x
    x = 21,427,776,407,097.02/6,871,129.10
  6. Step 6: Final answer
    x = 3,118,523.33

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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.