Home / 3,864,776.66-5,771,139.75-3,156,210.26

Finding the Fourth Proportional to 3,864,776.66, 5,771,139.75 and 3,156,210.26

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Solution

The fourth proportional to 3,864,776.66, 5,771,139.75 and 3,156,210.26 is: 4,713,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,776.66 : 5,771,139.75 = 3,156,210.26 : x
  2. Step 2: Convert to fraction form
    3,864,776.66/5,771,139.75 = 3,156,210.26/x
  3. Step 3: Cross multiply
    3,864,776.66x = 5,771,139.75 × 3,156,210.26
  4. Step 4: Simplify right side
    3,864,776.66x = 18,214,930,490,843.83
  5. Step 5: Solve for x
    x = 18,214,930,490,843.83/3,864,776.66
  6. Step 6: Final answer
    x = 4,713,061.61

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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.