Home / 1,886,127.65-2,602,856.48-1,026,687.86

Finding the Fourth Proportional to 1,886,127.65, 2,602,856.48 and 1,026,687.86

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Solution

The fourth proportional to 1,886,127.65, 2,602,856.48 and 1,026,687.86 is: 1,416,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,127.65 : 2,602,856.48 = 1,026,687.86 : x
  2. Step 2: Convert to fraction form
    1,886,127.65/2,602,856.48 = 1,026,687.86/x
  3. Step 3: Cross multiply
    1,886,127.65x = 2,602,856.48 × 1,026,687.86
  4. Step 4: Simplify right side
    1,886,127.65x = 2,672,321,131,190.61
  5. Step 5: Solve for x
    x = 2,672,321,131,190.61/1,886,127.65
  6. Step 6: Final answer
    x = 1,416,829.42

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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.