Home / 3,436,949.30-4,743,140.15-1,909,056.42

Finding the Fourth Proportional to 3,436,949.30, 4,743,140.15 and 1,909,056.42

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Solution

The fourth proportional to 3,436,949.30, 4,743,140.15 and 1,909,056.42 is: 2,634,581.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,949.30 : 4,743,140.15 = 1,909,056.42 : x
  2. Step 2: Convert to fraction form
    3,436,949.30/4,743,140.15 = 1,909,056.42/x
  3. Step 3: Cross multiply
    3,436,949.30x = 4,743,140.15 × 1,909,056.42
  4. Step 4: Simplify right side
    3,436,949.30x = 9,054,922,159,089.90
  5. Step 5: Solve for x
    x = 9,054,922,159,089.90/3,436,949.30
  6. Step 6: Final answer
    x = 2,634,581.25

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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.