Home / 3,670,780.60-5,506,170.90-2,155,189.60

Finding the Fourth Proportional to 3,670,780.60, 5,506,170.90 and 2,155,189.60

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Solution

The fourth proportional to 3,670,780.60, 5,506,170.90 and 2,155,189.60 is: 3,232,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,780.60 : 5,506,170.90 = 2,155,189.60 : x
  2. Step 2: Convert to fraction form
    3,670,780.60/5,506,170.90 = 2,155,189.60/x
  3. Step 3: Cross multiply
    3,670,780.60x = 5,506,170.90 × 2,155,189.60
  4. Step 4: Simplify right side
    3,670,780.60x = 11,866,842,259,502.64
  5. Step 5: Solve for x
    x = 11,866,842,259,502.64/3,670,780.60
  6. Step 6: Final answer
    x = 3,232,784.40

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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.