Home / 2,080,376.90-3,118,232.55-1,069,108.10

Finding the Fourth Proportional to 2,080,376.90, 3,118,232.55 and 1,069,108.10

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Solution

The fourth proportional to 2,080,376.90, 3,118,232.55 and 1,069,108.10 is: 1,602,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,376.90 : 3,118,232.55 = 1,069,108.10 : x
  2. Step 2: Convert to fraction form
    2,080,376.90/3,118,232.55 = 1,069,108.10/x
  3. Step 3: Cross multiply
    2,080,376.90x = 3,118,232.55 × 1,069,108.10
  4. Step 4: Simplify right side
    2,080,376.90x = 3,333,727,676,888.66
  5. Step 5: Solve for x
    x = 3,333,727,676,888.66/2,080,376.90
  6. Step 6: Final answer
    x = 1,602,463.32

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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.