Home / 1,932,455.21-2,885,669.52-1,578,172.01

Finding the Fourth Proportional to 1,932,455.21, 2,885,669.52 and 1,578,172.01

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Solution

The fourth proportional to 1,932,455.21, 2,885,669.52 and 1,578,172.01 is: 2,356,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,455.21 : 2,885,669.52 = 1,578,172.01 : x
  2. Step 2: Convert to fraction form
    1,932,455.21/2,885,669.52 = 1,578,172.01/x
  3. Step 3: Cross multiply
    1,932,455.21x = 2,885,669.52 × 1,578,172.01
  4. Step 4: Simplify right side
    1,932,455.21x = 4,554,082,846,227.64
  5. Step 5: Solve for x
    x = 4,554,082,846,227.64/1,932,455.21
  6. Step 6: Final answer
    x = 2,356,630.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.