Home / 5,100,530.46-7,038,196.80-2,894,690.82

Finding the Fourth Proportional to 5,100,530.46, 7,038,196.80 and 2,894,690.82

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Solution

The fourth proportional to 5,100,530.46, 7,038,196.80 and 2,894,690.82 is: 3,994,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,530.46 : 7,038,196.80 = 2,894,690.82 : x
  2. Step 2: Convert to fraction form
    5,100,530.46/7,038,196.80 = 2,894,690.82/x
  3. Step 3: Cross multiply
    5,100,530.46x = 7,038,196.80 × 2,894,690.82
  4. Step 4: Simplify right side
    5,100,530.46x = 20,373,403,666,313.38
  5. Step 5: Solve for x
    x = 20,373,403,666,313.38/5,100,530.46
  6. Step 6: Final answer
    x = 3,994,369.57

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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.