Home / 1,647,030.39-2,272,879.64-921,877.92

Finding the Fourth Proportional to 1,647,030.39, 2,272,879.64 and 921,877.92

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Solution

The fourth proportional to 1,647,030.39, 2,272,879.64 and 921,877.92 is: 1,272,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,030.39 : 2,272,879.64 = 921,877.92 : x
  2. Step 2: Convert to fraction form
    1,647,030.39/2,272,879.64 = 921,877.92/x
  3. Step 3: Cross multiply
    1,647,030.39x = 2,272,879.64 × 921,877.92
  4. Step 4: Simplify right side
    1,647,030.39x = 2,095,317,550,324.16
  5. Step 5: Solve for x
    x = 2,095,317,550,324.16/1,647,030.39
  6. Step 6: Final answer
    x = 1,272,179.05

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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.