Home / 2,010,422.58-3,017,128.98-812,355.18

Finding the Fourth Proportional to 2,010,422.58, 3,017,128.98 and 812,355.18

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Solution

The fourth proportional to 2,010,422.58, 3,017,128.98 and 812,355.18 is: 1,219,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010,422.58 : 3,017,128.98 = 812,355.18 : x
  2. Step 2: Convert to fraction form
    2,010,422.58/3,017,128.98 = 812,355.18/x
  3. Step 3: Cross multiply
    2,010,422.58x = 3,017,128.98 × 812,355.18
  4. Step 4: Simplify right side
    2,010,422.58x = 2,450,980,355,631.12
  5. Step 5: Solve for x
    x = 2,450,980,355,631.12/2,010,422.58
  6. Step 6: Final answer
    x = 1,219,136.90

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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.