Home / 2,163,078.88-2,984,147.22-1,245,088.36

Finding the Fourth Proportional to 2,163,078.88, 2,984,147.22 and 1,245,088.36

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Solution

The fourth proportional to 2,163,078.88, 2,984,147.22 and 1,245,088.36 is: 1,717,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,078.88 : 2,984,147.22 = 1,245,088.36 : x
  2. Step 2: Convert to fraction form
    2,163,078.88/2,984,147.22 = 1,245,088.36/x
  3. Step 3: Cross multiply
    2,163,078.88x = 2,984,147.22 × 1,245,088.36
  4. Step 4: Simplify right side
    2,163,078.88x = 3,715,526,976,547.62
  5. Step 5: Solve for x
    x = 3,715,526,976,547.62/2,163,078.88
  6. Step 6: Final answer
    x = 1,717,702.95

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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.