Home / 3,125,178-4,688,235-1,131,100.56

Finding the Fourth Proportional to 3,125,178, 4,688,235 and 1,131,100.56

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Solution

The fourth proportional to 3,125,178, 4,688,235 and 1,131,100.56 is: 1,696,820.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,178 : 4,688,235 = 1,131,100.56 : x
  2. Step 2: Convert to fraction form
    3,125,178/4,688,235 = 1,131,100.56/x
  3. Step 3: Cross multiply
    3,125,178x = 4,688,235 × 1,131,100.56
  4. Step 4: Simplify right side
    3,125,178x = 5,302,865,233,911.60
  5. Step 5: Solve for x
    x = 5,302,865,233,911.60/3,125,178
  6. Step 6: Final answer
    x = 1,696,820.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.