Home / 5,107,639.07-7,048,590.06-2,815,881.77

Finding the Fourth Proportional to 5,107,639.07, 7,048,590.06 and 2,815,881.77

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Solution

The fourth proportional to 5,107,639.07, 7,048,590.06 and 2,815,881.77 is: 3,885,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,639.07 : 7,048,590.06 = 2,815,881.77 : x
  2. Step 2: Convert to fraction form
    5,107,639.07/7,048,590.06 = 2,815,881.77/x
  3. Step 3: Cross multiply
    5,107,639.07x = 7,048,590.06 × 2,815,881.77
  4. Step 4: Simplify right side
    5,107,639.07x = 19,847,996,218,914.25
  5. Step 5: Solve for x
    x = 19,847,996,218,914.25/5,107,639.07
  6. Step 6: Final answer
    x = 3,885,943.38

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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.