Home / 3,578,101.80-4,937,812.56-1,946,544.72

Finding the Fourth Proportional to 3,578,101.80, 4,937,812.56 and 1,946,544.72

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Solution

The fourth proportional to 3,578,101.80, 4,937,812.56 and 1,946,544.72 is: 2,686,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,101.80 : 4,937,812.56 = 1,946,544.72 : x
  2. Step 2: Convert to fraction form
    3,578,101.80/4,937,812.56 = 1,946,544.72/x
  3. Step 3: Cross multiply
    3,578,101.80x = 4,937,812.56 × 1,946,544.72
  4. Step 4: Simplify right side
    3,578,101.80x = 9,611,672,967,017.68
  5. Step 5: Solve for x
    x = 9,611,672,967,017.68/3,578,101.80
  6. Step 6: Final answer
    x = 2,686,249.16

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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.