Home / 2,470,421.57-3,408,404.58-1,382,520.29

Finding the Fourth Proportional to 2,470,421.57, 3,408,404.58 and 1,382,520.29

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Solution

The fourth proportional to 2,470,421.57, 3,408,404.58 and 1,382,520.29 is: 1,907,443.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470,421.57 : 3,408,404.58 = 1,382,520.29 : x
  2. Step 2: Convert to fraction form
    2,470,421.57/3,408,404.58 = 1,382,520.29/x
  3. Step 3: Cross multiply
    2,470,421.57x = 3,408,404.58 × 1,382,520.29
  4. Step 4: Simplify right side
    2,470,421.57x = 4,712,188,471,336.91
  5. Step 5: Solve for x
    x = 4,712,188,471,336.91/2,470,421.57
  6. Step 6: Final answer
    x = 1,907,443.06

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1.5x scale

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.