Home / 2,946,128.73-4,065,189.12-1,656,720.06

Finding the Fourth Proportional to 2,946,128.73, 4,065,189.12 and 1,656,720.06

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Solution

The fourth proportional to 2,946,128.73, 4,065,189.12 and 1,656,720.06 is: 2,286,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946,128.73 : 4,065,189.12 = 1,656,720.06 : x
  2. Step 2: Convert to fraction form
    2,946,128.73/4,065,189.12 = 1,656,720.06/x
  3. Step 3: Cross multiply
    2,946,128.73x = 4,065,189.12 × 1,656,720.06
  4. Step 4: Simplify right side
    2,946,128.73x = 6,734,880,362,797.75
  5. Step 5: Solve for x
    x = 6,734,880,362,797.75/2,946,128.73
  6. Step 6: Final answer
    x = 2,286,010.21

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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.