Home / 2,116,378.93-2,920,553.25-1,245,270.05

Finding the Fourth Proportional to 2,116,378.93, 2,920,553.25 and 1,245,270.05

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Solution

The fourth proportional to 2,116,378.93, 2,920,553.25 and 1,245,270.05 is: 1,718,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,378.93 : 2,920,553.25 = 1,245,270.05 : x
  2. Step 2: Convert to fraction form
    2,116,378.93/2,920,553.25 = 1,245,270.05/x
  3. Step 3: Cross multiply
    2,116,378.93x = 2,920,553.25 × 1,245,270.05
  4. Step 4: Simplify right side
    2,116,378.93x = 3,636,877,488,588.25
  5. Step 5: Solve for x
    x = 3,636,877,488,588.25/2,116,378.93
  6. Step 6: Final answer
    x = 1,718,443.44

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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.