Home / 5,047,072.72-6,964,988.65-2,871,615.83

Finding the Fourth Proportional to 5,047,072.72, 6,964,988.65 and 2,871,615.83

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Solution

The fourth proportional to 5,047,072.72, 6,964,988.65 and 2,871,615.83 is: 3,962,845.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047,072.72 : 6,964,988.65 = 2,871,615.83 : x
  2. Step 2: Convert to fraction form
    5,047,072.72/6,964,988.65 = 2,871,615.83/x
  3. Step 3: Cross multiply
    5,047,072.72x = 6,964,988.65 × 2,871,615.83
  4. Step 4: Simplify right side
    5,047,072.72x = 20,000,771,626,490.63
  5. Step 5: Solve for x
    x = 20,000,771,626,490.63/5,047,072.72
  6. Step 6: Final answer
    x = 3,962,845.94

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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.