Home / 2,945,655.36-4,063,005.36-1,911,314.88

Finding the Fourth Proportional to 2,945,655.36, 4,063,005.36 and 1,911,314.88

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Solution

The fourth proportional to 2,945,655.36, 4,063,005.36 and 1,911,314.88 is: 2,636,317.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,655.36 : 4,063,005.36 = 1,911,314.88 : x
  2. Step 2: Convert to fraction form
    2,945,655.36/4,063,005.36 = 1,911,314.88/x
  3. Step 3: Cross multiply
    2,945,655.36x = 4,063,005.36 × 1,911,314.88
  4. Step 4: Simplify right side
    2,945,655.36x = 7,765,682,602,087.76
  5. Step 5: Solve for x
    x = 7,765,682,602,087.76/2,945,655.36
  6. Step 6: Final answer
    x = 2,636,317.44

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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.