Home / 3,078,457.80-4,612,437.90-2,543,080.20

Finding the Fourth Proportional to 3,078,457.80, 4,612,437.90 and 2,543,080.20

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Solution

The fourth proportional to 3,078,457.80, 4,612,437.90 and 2,543,080.20 is: 3,810,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,457.80 : 4,612,437.90 = 2,543,080.20 : x
  2. Step 2: Convert to fraction form
    3,078,457.80/4,612,437.90 = 2,543,080.20/x
  3. Step 3: Cross multiply
    3,078,457.80x = 4,612,437.90 × 2,543,080.20
  4. Step 4: Simplify right side
    3,078,457.80x = 11,729,799,497,219.58
  5. Step 5: Solve for x
    x = 11,729,799,497,219.58/3,078,457.80
  6. Step 6: Final answer
    x = 3,810,284.32

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1.5x scale

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.