Home / 3,931,570.08-5,424,669.14-2,212,063.20

Finding the Fourth Proportional to 3,931,570.08, 5,424,669.14 and 2,212,063.20

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Solution

The fourth proportional to 3,931,570.08, 5,424,669.14 and 2,212,063.20 is: 3,052,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,570.08 : 5,424,669.14 = 2,212,063.20 : x
  2. Step 2: Convert to fraction form
    3,931,570.08/5,424,669.14 = 2,212,063.20/x
  3. Step 3: Cross multiply
    3,931,570.08x = 5,424,669.14 × 2,212,063.20
  4. Step 4: Simplify right side
    3,931,570.08x = 11,999,710,976,769.65
  5. Step 5: Solve for x
    x = 11,999,710,976,769.65/3,931,570.08
  6. Step 6: Final answer
    x = 3,052,142.21

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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.