Home / 2,898,845.60-4,000,273.32-1,609,768.40

Finding the Fourth Proportional to 2,898,845.60, 4,000,273.32 and 1,609,768.40

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Solution

The fourth proportional to 2,898,845.60, 4,000,273.32 and 1,609,768.40 is: 2,221,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,845.60 : 4,000,273.32 = 1,609,768.40 : x
  2. Step 2: Convert to fraction form
    2,898,845.60/4,000,273.32 = 1,609,768.40/x
  3. Step 3: Cross multiply
    2,898,845.60x = 4,000,273.32 × 1,609,768.40
  4. Step 4: Simplify right side
    2,898,845.60x = 6,439,513,581,899.09
  5. Step 5: Solve for x
    x = 6,439,513,581,899.09/2,898,845.60
  6. Step 6: Final answer
    x = 2,221,406.20

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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.