Home / 2,826,382.05-3,901,421.78-1,680,459.66

Finding the Fourth Proportional to 2,826,382.05, 3,901,421.78 and 1,680,459.66

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Solution

The fourth proportional to 2,826,382.05, 3,901,421.78 and 1,680,459.66 is: 2,319,637.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826,382.05 : 3,901,421.78 = 1,680,459.66 : x
  2. Step 2: Convert to fraction form
    2,826,382.05/3,901,421.78 = 1,680,459.66/x
  3. Step 3: Cross multiply
    2,826,382.05x = 3,901,421.78 × 1,680,459.66
  4. Step 4: Simplify right side
    2,826,382.05x = 6,556,181,909,533.10
  5. Step 5: Solve for x
    x = 6,556,181,909,533.10/2,826,382.05
  6. Step 6: Final answer
    x = 2,319,637.54

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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.