Home / 3,015,780.95-4,161,819.91-1,639,124.25

Finding the Fourth Proportional to 3,015,780.95, 4,161,819.91 and 1,639,124.25

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Solution

The fourth proportional to 3,015,780.95, 4,161,819.91 and 1,639,124.25 is: 2,262,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,780.95 : 4,161,819.91 = 1,639,124.25 : x
  2. Step 2: Convert to fraction form
    3,015,780.95/4,161,819.91 = 1,639,124.25/x
  3. Step 3: Cross multiply
    3,015,780.95x = 4,161,819.91 × 1,639,124.25
  4. Step 4: Simplify right side
    3,015,780.95x = 6,821,739,937,079.91
  5. Step 5: Solve for x
    x = 6,821,739,937,079.91/3,015,780.95
  6. Step 6: Final answer
    x = 2,262,014.40

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1.5x scale

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.