Home / 2,470,415.26-3,406,465.84-1,609,378.78

Finding the Fourth Proportional to 2,470,415.26, 3,406,465.84 and 1,609,378.78

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Solution

The fourth proportional to 2,470,415.26, 3,406,465.84 and 1,609,378.78 is: 2,219,179.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470,415.26 : 3,406,465.84 = 1,609,378.78 : x
  2. Step 2: Convert to fraction form
    2,470,415.26/3,406,465.84 = 1,609,378.78/x
  3. Step 3: Cross multiply
    2,470,415.26x = 3,406,465.84 × 1,609,378.78
  4. Step 4: Simplify right side
    2,470,415.26x = 5,482,293,837,690.88
  5. Step 5: Solve for x
    x = 5,482,293,837,690.88/2,470,415.26
  6. Step 6: Final answer
    x = 2,219,179.07

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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.