Home / 3,128,851-4,317,814.38-1,698,067

Finding the Fourth Proportional to 3,128,851, 4,317,814.38 and 1,698,067

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Solution

The fourth proportional to 3,128,851, 4,317,814.38 and 1,698,067 is: 2,343,332.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,851 : 4,317,814.38 = 1,698,067 : x
  2. Step 2: Convert to fraction form
    3,128,851/4,317,814.38 = 1,698,067/x
  3. Step 3: Cross multiply
    3,128,851x = 4,317,814.38 × 1,698,067
  4. Step 4: Simplify right side
    3,128,851x = 7,331,938,110,803.46
  5. Step 5: Solve for x
    x = 7,331,938,110,803.46/3,128,851
  6. Step 6: Final answer
    x = 2,343,332.46

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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.