Home / 1,545,345.58-2,133,021.70-933,401.10

Finding the Fourth Proportional to 1,545,345.58, 2,133,021.70 and 933,401.10

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Solution

The fourth proportional to 1,545,345.58, 2,133,021.70 and 933,401.10 is: 1,288,362.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,345.58 : 2,133,021.70 = 933,401.10 : x
  2. Step 2: Convert to fraction form
    1,545,345.58/2,133,021.70 = 933,401.10/x
  3. Step 3: Cross multiply
    1,545,345.58x = 2,133,021.70 × 933,401.10
  4. Step 4: Simplify right side
    1,545,345.58x = 1,990,964,801,103.87
  5. Step 5: Solve for x
    x = 1,990,964,801,103.87/1,545,345.58
  6. Step 6: Final answer
    x = 1,288,362.18

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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.