Home / 3,036,052.80-4,191,685.20-1,891,814.40

Finding the Fourth Proportional to 3,036,052.80, 4,191,685.20 and 1,891,814.40

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Solution

The fourth proportional to 3,036,052.80, 4,191,685.20 and 1,891,814.40 is: 2,611,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036,052.80 : 4,191,685.20 = 1,891,814.40 : x
  2. Step 2: Convert to fraction form
    3,036,052.80/4,191,685.20 = 1,891,814.40/x
  3. Step 3: Cross multiply
    3,036,052.80x = 4,191,685.20 × 1,891,814.40
  4. Step 4: Simplify right side
    3,036,052.80x = 7,929,890,421,626.88
  5. Step 5: Solve for x
    x = 7,929,890,421,626.88/3,036,052.80
  6. Step 6: Final answer
    x = 2,611,907.94

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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.