Home / 1,850,674.80-2,780,159.40-1,775,103.60

Finding the Fourth Proportional to 1,850,674.80, 2,780,159.40 and 1,775,103.60

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Solution

The fourth proportional to 1,850,674.80, 2,780,159.40 and 1,775,103.60 is: 2,666,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850,674.80 : 2,780,159.40 = 1,775,103.60 : x
  2. Step 2: Convert to fraction form
    1,850,674.80/2,780,159.40 = 1,775,103.60/x
  3. Step 3: Cross multiply
    1,850,674.80x = 2,780,159.40 × 1,775,103.60
  4. Step 4: Simplify right side
    1,850,674.80x = 4,935,070,959,513.84
  5. Step 5: Solve for x
    x = 4,935,070,959,513.84/1,850,674.80
  6. Step 6: Final answer
    x = 2,666,633.25

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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.