Home / 5,317,561.66-7,976,506.55-2,078,970.05

Finding the Fourth Proportional to 5,317,561.66, 7,976,506.55 and 2,078,970.05

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Solution

The fourth proportional to 5,317,561.66, 7,976,506.55 and 2,078,970.05 is: 3,118,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317,561.66 : 7,976,506.55 = 2,078,970.05 : x
  2. Step 2: Convert to fraction form
    5,317,561.66/7,976,506.55 = 2,078,970.05/x
  3. Step 3: Cross multiply
    5,317,561.66x = 7,976,506.55 × 2,078,970.05
  4. Step 4: Simplify right side
    5,317,561.66x = 16,582,918,186,393.72
  5. Step 5: Solve for x
    x = 16,582,918,186,393.72/5,317,561.66
  6. Step 6: Final answer
    x = 3,118,519.21

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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.