Home / 1,965,652.36-2,712,151.42-1,105,898.92

Finding the Fourth Proportional to 1,965,652.36, 2,712,151.42 and 1,105,898.92

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Solution

The fourth proportional to 1,965,652.36, 2,712,151.42 and 1,105,898.92 is: 1,525,887.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,652.36 : 2,712,151.42 = 1,105,898.92 : x
  2. Step 2: Convert to fraction form
    1,965,652.36/2,712,151.42 = 1,105,898.92/x
  3. Step 3: Cross multiply
    1,965,652.36x = 2,712,151.42 × 1,105,898.92
  4. Step 4: Simplify right side
    1,965,652.36x = 2,999,365,316,709.34
  5. Step 5: Solve for x
    x = 2,999,365,316,709.34/1,965,652.36
  6. Step 6: Final answer
    x = 1,525,887.99

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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.