Home / 5,324,128.51-7,348,802.45-3,149,427.66

Finding the Fourth Proportional to 5,324,128.51, 7,348,802.45 and 3,149,427.66

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Solution

The fourth proportional to 5,324,128.51, 7,348,802.45 and 3,149,427.66 is: 4,347,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324,128.51 : 7,348,802.45 = 3,149,427.66 : x
  2. Step 2: Convert to fraction form
    5,324,128.51/7,348,802.45 = 3,149,427.66/x
  3. Step 3: Cross multiply
    5,324,128.51x = 7,348,802.45 × 3,149,427.66
  4. Step 4: Simplify right side
    5,324,128.51x = 23,144,521,703,905.77
  5. Step 5: Solve for x
    x = 23,144,521,703,905.77/5,324,128.51
  6. Step 6: Final answer
    x = 4,347,100.50

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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.