Home / 1,885,646.76-2,602,142.66-1,026,188.56

Finding the Fourth Proportional to 1,885,646.76, 2,602,142.66 and 1,026,188.56

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Solution

The fourth proportional to 1,885,646.76, 2,602,142.66 and 1,026,188.56 is: 1,416,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,646.76 : 2,602,142.66 = 1,026,188.56 : x
  2. Step 2: Convert to fraction form
    1,885,646.76/2,602,142.66 = 1,026,188.56/x
  3. Step 3: Cross multiply
    1,885,646.76x = 2,602,142.66 × 1,026,188.56
  4. Step 4: Simplify right side
    1,885,646.76x = 2,670,289,029,179.97
  5. Step 5: Solve for x
    x = 2,670,289,029,179.97/1,885,646.76
  6. Step 6: Final answer
    x = 1,416,113.07

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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.