Home / 1,855,128.42-2,560,347.73-1,039,387.34

Finding the Fourth Proportional to 1,855,128.42, 2,560,347.73 and 1,039,387.34

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Solution

The fourth proportional to 1,855,128.42, 2,560,347.73 and 1,039,387.34 is: 1,434,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,128.42 : 2,560,347.73 = 1,039,387.34 : x
  2. Step 2: Convert to fraction form
    1,855,128.42/2,560,347.73 = 1,039,387.34/x
  3. Step 3: Cross multiply
    1,855,128.42x = 2,560,347.73 × 1,039,387.34
  4. Step 4: Simplify right side
    1,855,128.42x = 2,661,193,024,259.84
  5. Step 5: Solve for x
    x = 2,661,193,024,259.84/1,855,128.42
  6. Step 6: Final answer
    x = 1,434,506.09

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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.