Home / 3,864,768.16-5,771,127.08-3,156,201.76

Finding the Fourth Proportional to 3,864,768.16, 5,771,127.08 and 3,156,201.76

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Solution

The fourth proportional to 3,864,768.16, 5,771,127.08 and 3,156,201.76 is: 4,713,048.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,768.16 : 5,771,127.08 = 3,156,201.76 : x
  2. Step 2: Convert to fraction form
    3,864,768.16/5,771,127.08 = 3,156,201.76/x
  3. Step 3: Cross multiply
    3,864,768.16x = 5,771,127.08 × 3,156,201.76
  4. Step 4: Simplify right side
    3,864,768.16x = 18,214,841,447,079.66
  5. Step 5: Solve for x
    x = 18,214,841,447,079.66/3,864,768.16
  6. Step 6: Final answer
    x = 4,713,048.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.