Home / 6,871,124.60-10,307,853.30-2,078,775.80

Finding the Fourth Proportional to 6,871,124.60, 10,307,853.30 and 2,078,775.80

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Solution

The fourth proportional to 6,871,124.60, 10,307,853.30 and 2,078,775.80 is: 3,118,516.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871,124.60 : 10,307,853.30 = 2,078,775.80 : x
  2. Step 2: Convert to fraction form
    6,871,124.60/10,307,853.30 = 2,078,775.80/x
  3. Step 3: Cross multiply
    6,871,124.60x = 10,307,853.30 × 2,078,775.80
  4. Step 4: Simplify right side
    6,871,124.60x = 21,427,715,989,990.14
  5. Step 5: Solve for x
    x = 21,427,715,989,990.14/6,871,124.60
  6. Step 6: Final answer
    x = 3,118,516.58

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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.