Home / 3,128,412-4,317,208.56-1,697,628

Finding the Fourth Proportional to 3,128,412, 4,317,208.56 and 1,697,628

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Solution

The fourth proportional to 3,128,412, 4,317,208.56 and 1,697,628 is: 2,342,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,412 : 4,317,208.56 = 1,697,628 : x
  2. Step 2: Convert to fraction form
    3,128,412/4,317,208.56 = 1,697,628/x
  3. Step 3: Cross multiply
    3,128,412x = 4,317,208.56 × 1,697,628
  4. Step 4: Simplify right side
    3,128,412x = 7,329,014,133,295.68
  5. Step 5: Solve for x
    x = 7,329,014,133,295.68/3,128,412
  6. Step 6: Final answer
    x = 2,342,726.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.