Home / 2,113,590-2,916,754.20-1,208,191.44

Finding the Fourth Proportional to 2,113,590, 2,916,754.20 and 1,208,191.44

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Solution

The fourth proportional to 2,113,590, 2,916,754.20 and 1,208,191.44 is: 1,667,304.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,590 : 2,916,754.20 = 1,208,191.44 : x
  2. Step 2: Convert to fraction form
    2,113,590/2,916,754.20 = 1,208,191.44/x
  3. Step 3: Cross multiply
    2,113,590x = 2,916,754.20 × 1,208,191.44
  4. Step 4: Simplify right side
    2,113,590x = 3,523,997,457,024.05
  5. Step 5: Solve for x
    x = 3,523,997,457,024.05/2,113,590
  6. Step 6: Final answer
    x = 1,667,304.19

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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.