Home / 1,908,937.96-2,863,407.60-561,100.80

Finding the Fourth Proportional to 1,908,937.96, 2,863,407.60 and 561,100.80

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Solution

The fourth proportional to 1,908,937.96, 2,863,407.60 and 561,100.80 is: 841,651.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,937.96 : 2,863,407.60 = 561,100.80 : x
  2. Step 2: Convert to fraction form
    1,908,937.96/2,863,407.60 = 561,100.80/x
  3. Step 3: Cross multiply
    1,908,937.96x = 2,863,407.60 × 561,100.80
  4. Step 4: Simplify right side
    1,908,937.96x = 1,606,660,295,086.08
  5. Step 5: Solve for x
    x = 1,606,660,295,086.08/1,908,937.96
  6. Step 6: Final answer
    x = 841,651.39

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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.