Home / 1,906,879.47-2,631,509.28-1,047,458.94

Finding the Fourth Proportional to 1,906,879.47, 2,631,509.28 and 1,047,458.94

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Solution

The fourth proportional to 1,906,879.47, 2,631,509.28 and 1,047,458.94 is: 1,445,501.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,879.47 : 2,631,509.28 = 1,047,458.94 : x
  2. Step 2: Convert to fraction form
    1,906,879.47/2,631,509.28 = 1,047,458.94/x
  3. Step 3: Cross multiply
    1,906,879.47x = 2,631,509.28 × 1,047,458.94
  4. Step 4: Simplify right side
    1,906,879.47x = 2,756,397,921,028.96
  5. Step 5: Solve for x
    x = 2,756,397,921,028.96/1,906,879.47
  6. Step 6: Final answer
    x = 1,445,501.91

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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.