Home / 1,616,860.80-2,425,291.20-1,538,128.80

Finding the Fourth Proportional to 1,616,860.80, 2,425,291.20 and 1,538,128.80

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Solution

The fourth proportional to 1,616,860.80, 2,425,291.20 and 1,538,128.80 is: 2,307,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,860.80 : 2,425,291.20 = 1,538,128.80 : x
  2. Step 2: Convert to fraction form
    1,616,860.80/2,425,291.20 = 1,538,128.80/x
  3. Step 3: Cross multiply
    1,616,860.80x = 2,425,291.20 × 1,538,128.80
  4. Step 4: Simplify right side
    1,616,860.80x = 3,730,410,243,106.56
  5. Step 5: Solve for x
    x = 3,730,410,243,106.56/1,616,860.80
  6. Step 6: Final answer
    x = 2,307,193.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.