Home / 2,148,356.88-2,964,768.63-1,230,666.27

Finding the Fourth Proportional to 2,148,356.88, 2,964,768.63 and 1,230,666.27

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Solution

The fourth proportional to 2,148,356.88, 2,964,768.63 and 1,230,666.27 is: 1,698,340.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,356.88 : 2,964,768.63 = 1,230,666.27 : x
  2. Step 2: Convert to fraction form
    2,148,356.88/2,964,768.63 = 1,230,666.27/x
  3. Step 3: Cross multiply
    2,148,356.88x = 2,964,768.63 × 1,230,666.27
  4. Step 4: Simplify right side
    2,148,356.88x = 3,648,640,751,295.11
  5. Step 5: Solve for x
    x = 3,648,640,751,295.11/2,148,356.88
  6. Step 6: Final answer
    x = 1,698,340.15

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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.