Home / 1,639,257.40-2,458,886.10-1,429,305.40

Finding the Fourth Proportional to 1,639,257.40, 2,458,886.10 and 1,429,305.40

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Solution

The fourth proportional to 1,639,257.40, 2,458,886.10 and 1,429,305.40 is: 2,143,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,257.40 : 2,458,886.10 = 1,429,305.40 : x
  2. Step 2: Convert to fraction form
    1,639,257.40/2,458,886.10 = 1,429,305.40/x
  3. Step 3: Cross multiply
    1,639,257.40x = 2,458,886.10 × 1,429,305.40
  4. Step 4: Simplify right side
    1,639,257.40x = 3,514,499,180,714.94
  5. Step 5: Solve for x
    x = 3,514,499,180,714.94/1,639,257.40
  6. Step 6: Final answer
    x = 2,143,958.10

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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.