Home / 2,745,289.95-3,788,726.88-1,521,979.22

Finding the Fourth Proportional to 2,745,289.95, 3,788,726.88 and 1,521,979.22

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Solution

The fourth proportional to 2,745,289.95, 3,788,726.88 and 1,521,979.22 is: 2,100,457.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745,289.95 : 3,788,726.88 = 1,521,979.22 : x
  2. Step 2: Convert to fraction form
    2,745,289.95/3,788,726.88 = 1,521,979.22/x
  3. Step 3: Cross multiply
    2,745,289.95x = 3,788,726.88 × 1,521,979.22
  4. Step 4: Simplify right side
    2,745,289.95x = 5,766,363,562,671.80
  5. Step 5: Solve for x
    x = 5,766,363,562,671.80/2,745,289.95
  6. Step 6: Final answer
    x = 2,100,457.03

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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.