Home / 1,931,918.58-2,665,913.94-1,072,410.93

Finding the Fourth Proportional to 1,931,918.58, 2,665,913.94 and 1,072,410.93

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Solution

The fourth proportional to 1,931,918.58, 2,665,913.94 and 1,072,410.93 is: 1,479,852.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,918.58 : 2,665,913.94 = 1,072,410.93 : x
  2. Step 2: Convert to fraction form
    1,931,918.58/2,665,913.94 = 1,072,410.93/x
  3. Step 3: Cross multiply
    1,931,918.58x = 2,665,913.94 × 1,072,410.93
  4. Step 4: Simplify right side
    1,931,918.58x = 2,858,955,247,695.36
  5. Step 5: Solve for x
    x = 2,858,955,247,695.36/1,931,918.58
  6. Step 6: Final answer
    x = 1,479,852.87

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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.