Home / 2,586,307.32-3,879,221.60-1,219,767.64

Finding the Fourth Proportional to 2,586,307.32, 3,879,221.60 and 1,219,767.64

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Solution

The fourth proportional to 2,586,307.32, 3,879,221.60 and 1,219,767.64 is: 1,829,538.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,307.32 : 3,879,221.60 = 1,219,767.64 : x
  2. Step 2: Convert to fraction form
    2,586,307.32/3,879,221.60 = 1,219,767.64/x
  3. Step 3: Cross multiply
    2,586,307.32x = 3,879,221.60 × 1,219,767.64
  4. Step 4: Simplify right side
    2,586,307.32x = 4,731,748,976,069.02
  5. Step 5: Solve for x
    x = 4,731,748,976,069.02/2,586,307.32
  6. Step 6: Final answer
    x = 1,829,538.56

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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.