Home / 3,128,629.28-4,317,508.38-1,697,845.28

Finding the Fourth Proportional to 3,128,629.28, 4,317,508.38 and 1,697,845.28

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Solution

The fourth proportional to 3,128,629.28, 4,317,508.38 and 1,697,845.28 is: 2,343,026.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,629.28 : 4,317,508.38 = 1,697,845.28 : x
  2. Step 2: Convert to fraction form
    3,128,629.28/4,317,508.38 = 1,697,845.28/x
  3. Step 3: Cross multiply
    3,128,629.28x = 4,317,508.38 × 1,697,845.28
  4. Step 4: Simplify right side
    3,128,629.28x = 7,330,461,224,343.45
  5. Step 5: Solve for x
    x = 7,330,461,224,343.45/3,128,629.28
  6. Step 6: Final answer
    x = 2,343,026.47

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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.