Home / 2,484,421.20-3,428,421.48-1,396,738.44

Finding the Fourth Proportional to 2,484,421.20, 3,428,421.48 and 1,396,738.44

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Solution

The fourth proportional to 2,484,421.20, 3,428,421.48 and 1,396,738.44 is: 1,927,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484,421.20 : 3,428,421.48 = 1,396,738.44 : x
  2. Step 2: Convert to fraction form
    2,484,421.20/3,428,421.48 = 1,396,738.44/x
  3. Step 3: Cross multiply
    2,484,421.20x = 3,428,421.48 × 1,396,738.44
  4. Step 4: Simplify right side
    2,484,421.20x = 4,788,608,069,637.69
  5. Step 5: Solve for x
    x = 4,788,608,069,637.69/2,484,421.20
  6. Step 6: Final answer
    x = 1,927,454.20

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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.