Home / 2,118,465.23-2,922,770.48-1,200,622.32

Finding the Fourth Proportional to 2,118,465.23, 2,922,770.48 and 1,200,622.32

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Solution

The fourth proportional to 2,118,465.23, 2,922,770.48 and 1,200,622.32 is: 1,656,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,465.23 : 2,922,770.48 = 1,200,622.32 : x
  2. Step 2: Convert to fraction form
    2,118,465.23/2,922,770.48 = 1,200,622.32/x
  3. Step 3: Cross multiply
    2,118,465.23x = 2,922,770.48 × 1,200,622.32
  4. Step 4: Simplify right side
    2,118,465.23x = 3,509,143,468,522.00
  5. Step 5: Solve for x
    x = 3,509,143,468,522.00/2,118,465.23
  6. Step 6: Final answer
    x = 1,656,455.54

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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.