Home / 1,908,936.96-2,863,406.10-561,099.80

Finding the Fourth Proportional to 1,908,936.96, 2,863,406.10 and 561,099.80

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Solution

The fourth proportional to 1,908,936.96, 2,863,406.10 and 561,099.80 is: 841,649.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,936.96 : 2,863,406.10 = 561,099.80 : x
  2. Step 2: Convert to fraction form
    1,908,936.96/2,863,406.10 = 561,099.80/x
  3. Step 3: Cross multiply
    1,908,936.96x = 2,863,406.10 × 561,099.80
  4. Step 4: Simplify right side
    1,908,936.96x = 1,606,656,590,028.78
  5. Step 5: Solve for x
    x = 1,606,656,590,028.78/1,908,936.96
  6. Step 6: Final answer
    x = 841,649.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.