Home / 4,118,850.80-6,178,859.40-1,278,666.80

Finding the Fourth Proportional to 4,118,850.80, 6,178,859.40 and 1,278,666.80

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Solution

The fourth proportional to 4,118,850.80, 6,178,859.40 and 1,278,666.80 is: 1,918,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118,850.80 : 6,178,859.40 = 1,278,666.80 : x
  2. Step 2: Convert to fraction form
    4,118,850.80/6,178,859.40 = 1,278,666.80/x
  3. Step 3: Cross multiply
    4,118,850.80x = 6,178,859.40 × 1,278,666.80
  4. Step 4: Simplify right side
    4,118,850.80x = 7,900,702,376,647.92
  5. Step 5: Solve for x
    x = 7,900,702,376,647.92/4,118,850.80
  6. Step 6: Final answer
    x = 1,918,181.25

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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.