Home / 3,842,885.90-5,303,203.56-2,100,557.68

Finding the Fourth Proportional to 3,842,885.90, 5,303,203.56 and 2,100,557.68

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Solution

The fourth proportional to 3,842,885.90, 5,303,203.56 and 2,100,557.68 is: 2,898,781.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,885.90 : 5,303,203.56 = 2,100,557.68 : x
  2. Step 2: Convert to fraction form
    3,842,885.90/5,303,203.56 = 2,100,557.68/x
  3. Step 3: Cross multiply
    3,842,885.90x = 5,303,203.56 × 2,100,557.68
  4. Step 4: Simplify right side
    3,842,885.90x = 11,139,684,966,561.34
  5. Step 5: Solve for x
    x = 11,139,684,966,561.34/3,842,885.90
  6. Step 6: Final answer
    x = 2,898,781.09

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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.