Home / 2,425,128.60-3,639,005.10-1,005,328.20

Finding the Fourth Proportional to 2,425,128.60, 3,639,005.10 and 1,005,328.20

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Solution

The fourth proportional to 2,425,128.60, 3,639,005.10 and 1,005,328.20 is: 1,508,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425,128.60 : 3,639,005.10 = 1,005,328.20 : x
  2. Step 2: Convert to fraction form
    2,425,128.60/3,639,005.10 = 1,005,328.20/x
  3. Step 3: Cross multiply
    2,425,128.60x = 3,639,005.10 × 1,005,328.20
  4. Step 4: Simplify right side
    2,425,128.60x = 3,658,394,446,973.82
  5. Step 5: Solve for x
    x = 3,658,394,446,973.82/2,425,128.60
  6. Step 6: Final answer
    x = 1,508,536.27

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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.