Home / 3,500,074.75-4,830,106.40-1,890,442.75

Finding the Fourth Proportional to 3,500,074.75, 4,830,106.40 and 1,890,442.75

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Solution

The fourth proportional to 3,500,074.75, 4,830,106.40 and 1,890,442.75 is: 2,608,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500,074.75 : 4,830,106.40 = 1,890,442.75 : x
  2. Step 2: Convert to fraction form
    3,500,074.75/4,830,106.40 = 1,890,442.75/x
  3. Step 3: Cross multiply
    3,500,074.75x = 4,830,106.40 × 1,890,442.75
  4. Step 4: Simplify right side
    3,500,074.75x = 9,131,039,625,608.60
  5. Step 5: Solve for x
    x = 9,131,039,625,608.60/3,500,074.75
  6. Step 6: Final answer
    x = 2,608,812.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.