Home / 2,613,783.80-3,920,675.70-1,618,455.80

Finding the Fourth Proportional to 2,613,783.80, 3,920,675.70 and 1,618,455.80

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Solution

The fourth proportional to 2,613,783.80, 3,920,675.70 and 1,618,455.80 is: 2,427,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613,783.80 : 3,920,675.70 = 1,618,455.80 : x
  2. Step 2: Convert to fraction form
    2,613,783.80/3,920,675.70 = 1,618,455.80/x
  3. Step 3: Cross multiply
    2,613,783.80x = 3,920,675.70 × 1,618,455.80
  4. Step 4: Simplify right side
    2,613,783.80x = 6,345,440,326,584.06
  5. Step 5: Solve for x
    x = 6,345,440,326,584.06/2,613,783.80
  6. Step 6: Final answer
    x = 2,427,683.70

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1.5x scale

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.