Home / 2,839,674.74-3,916,762.45-1,921,499.70

Finding the Fourth Proportional to 2,839,674.74, 3,916,762.45 and 1,921,499.70

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Solution

The fourth proportional to 2,839,674.74, 3,916,762.45 and 1,921,499.70 is: 2,650,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,674.74 : 3,916,762.45 = 1,921,499.70 : x
  2. Step 2: Convert to fraction form
    2,839,674.74/3,916,762.45 = 1,921,499.70/x
  3. Step 3: Cross multiply
    2,839,674.74x = 3,916,762.45 × 1,921,499.70
  4. Step 4: Simplify right side
    2,839,674.74x = 7,526,057,872,646.27
  5. Step 5: Solve for x
    x = 7,526,057,872,646.27/2,839,674.74
  6. Step 6: Final answer
    x = 2,650,323.91

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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.