Home / 2,530,547.20-3,790,291.20-1,965,145.60

Finding the Fourth Proportional to 2,530,547.20, 3,790,291.20 and 1,965,145.60

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Solution

The fourth proportional to 2,530,547.20, 3,790,291.20 and 1,965,145.60 is: 2,943,424.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530,547.20 : 3,790,291.20 = 1,965,145.60 : x
  2. Step 2: Convert to fraction form
    2,530,547.20/3,790,291.20 = 1,965,145.60/x
  3. Step 3: Cross multiply
    2,530,547.20x = 3,790,291.20 × 1,965,145.60
  4. Step 4: Simplify right side
    2,530,547.20x = 7,448,474,074,398.72
  5. Step 5: Solve for x
    x = 7,448,474,074,398.72/2,530,547.20
  6. Step 6: Final answer
    x = 2,943,424.28

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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.