Home / 2,676,980.20-4,018,580.70-1,613,223.40

Finding the Fourth Proportional to 2,676,980.20, 4,018,580.70 and 1,613,223.40

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Solution

The fourth proportional to 2,676,980.20, 4,018,580.70 and 1,613,223.40 is: 2,421,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676,980.20 : 4,018,580.70 = 1,613,223.40 : x
  2. Step 2: Convert to fraction form
    2,676,980.20/4,018,580.70 = 1,613,223.40/x
  3. Step 3: Cross multiply
    2,676,980.20x = 4,018,580.70 × 1,613,223.40
  4. Step 4: Simplify right side
    2,676,980.20x = 6,482,868,420,028.38
  5. Step 5: Solve for x
    x = 6,482,868,420,028.38/2,676,980.20
  6. Step 6: Final answer
    x = 2,421,709.51

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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.