Home / 1,553,622.24-2,142,771.12-1,016,974.56

Finding the Fourth Proportional to 1,553,622.24, 2,142,771.12 and 1,016,974.56

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Solution

The fourth proportional to 1,553,622.24, 2,142,771.12 and 1,016,974.56 is: 1,402,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,622.24 : 2,142,771.12 = 1,016,974.56 : x
  2. Step 2: Convert to fraction form
    1,553,622.24/2,142,771.12 = 1,016,974.56/x
  3. Step 3: Cross multiply
    1,553,622.24x = 2,142,771.12 × 1,016,974.56
  4. Step 4: Simplify right side
    1,553,622.24x = 2,179,143,716,942.71
  5. Step 5: Solve for x
    x = 2,179,143,716,942.71/1,553,622.24
  6. Step 6: Final answer
    x = 1,402,621.35

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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.