Home / 3,768,720.12-5,200,361.73-2,547,682.38

Finding the Fourth Proportional to 3,768,720.12, 5,200,361.73 and 2,547,682.38

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Solution

The fourth proportional to 3,768,720.12, 5,200,361.73 and 2,547,682.38 is: 3,515,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768,720.12 : 5,200,361.73 = 2,547,682.38 : x
  2. Step 2: Convert to fraction form
    3,768,720.12/5,200,361.73 = 2,547,682.38/x
  3. Step 3: Cross multiply
    3,768,720.12x = 5,200,361.73 × 2,547,682.38
  4. Step 4: Simplify right side
    3,768,720.12x = 13,248,869,949,147.32
  5. Step 5: Solve for x
    x = 13,248,869,949,147.32/3,768,720.12
  6. Step 6: Final answer
    x = 3,515,482.58

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1.5x scale

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.