Home / 2,676,359.80-4,014,539.70-1,878,542.20

Finding the Fourth Proportional to 2,676,359.80, 4,014,539.70 and 1,878,542.20

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Solution

The fourth proportional to 2,676,359.80, 4,014,539.70 and 1,878,542.20 is: 2,817,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676,359.80 : 4,014,539.70 = 1,878,542.20 : x
  2. Step 2: Convert to fraction form
    2,676,359.80/4,014,539.70 = 1,878,542.20/x
  3. Step 3: Cross multiply
    2,676,359.80x = 4,014,539.70 × 1,878,542.20
  4. Step 4: Simplify right side
    2,676,359.80x = 7,541,482,240,025.34
  5. Step 5: Solve for x
    x = 7,541,482,240,025.34/2,676,359.80
  6. Step 6: Final answer
    x = 2,817,813.30

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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.