Home / 2,126,548.10-2,934,709.44-1,208,815.76

Finding the Fourth Proportional to 2,126,548.10, 2,934,709.44 and 1,208,815.76

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Solution

The fourth proportional to 2,126,548.10, 2,934,709.44 and 1,208,815.76 is: 1,668,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,548.10 : 2,934,709.44 = 1,208,815.76 : x
  2. Step 2: Convert to fraction form
    2,126,548.10/2,934,709.44 = 1,208,815.76/x
  3. Step 3: Cross multiply
    2,126,548.10x = 2,934,709.44 × 1,208,815.76
  4. Step 4: Simplify right side
    2,126,548.10x = 3,547,523,022,092.77
  5. Step 5: Solve for x
    x = 3,547,523,022,092.77/2,126,548.10
  6. Step 6: Final answer
    x = 1,668,207.28

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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.