Home / 3,054,861.27-4,215,751.73-1,678,332.21

Finding the Fourth Proportional to 3,054,861.27, 4,215,751.73 and 1,678,332.21

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Solution

The fourth proportional to 3,054,861.27, 4,215,751.73 and 1,678,332.21 is: 2,316,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054,861.27 : 4,215,751.73 = 1,678,332.21 : x
  2. Step 2: Convert to fraction form
    3,054,861.27/4,215,751.73 = 1,678,332.21/x
  3. Step 3: Cross multiply
    3,054,861.27x = 4,215,751.73 × 1,678,332.21
  4. Step 4: Simplify right side
    3,054,861.27x = 7,075,431,917,822.22
  5. Step 5: Solve for x
    x = 7,075,431,917,822.22/3,054,861.27
  6. Step 6: Final answer
    x = 2,316,122.17

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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.