Home / 1,896,670.89-2,617,644.93-1,243,845.92

Finding the Fourth Proportional to 1,896,670.89, 2,617,644.93 and 1,243,845.92

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Solution

The fourth proportional to 1,896,670.89, 2,617,644.93 and 1,243,845.92 is: 1,716,664.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896,670.89 : 2,617,644.93 = 1,243,845.92 : x
  2. Step 2: Convert to fraction form
    1,896,670.89/2,617,644.93 = 1,243,845.92/x
  3. Step 3: Cross multiply
    1,896,670.89x = 2,617,644.93 × 1,243,845.92
  4. Step 4: Simplify right side
    1,896,670.89x = 3,255,946,953,100.96
  5. Step 5: Solve for x
    x = 3,255,946,953,100.96/1,896,670.89
  6. Step 6: Final answer
    x = 1,716,664.17

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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.