Home / 3,122,571.81-4,307,829.58-2,090,412.11

Finding the Fourth Proportional to 3,122,571.81, 4,307,829.58 and 2,090,412.11

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Solution

The fourth proportional to 3,122,571.81, 4,307,829.58 and 2,090,412.11 is: 2,883,885.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,571.81 : 4,307,829.58 = 2,090,412.11 : x
  2. Step 2: Convert to fraction form
    3,122,571.81/4,307,829.58 = 2,090,412.11/x
  3. Step 3: Cross multiply
    3,122,571.81x = 4,307,829.58 × 2,090,412.11
  4. Step 4: Simplify right side
    3,122,571.81x = 9,005,139,121,848.22
  5. Step 5: Solve for x
    x = 9,005,139,121,848.22/3,122,571.81
  6. Step 6: Final answer
    x = 2,883,885.36

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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.