Home / 3,460,664.70-5,188,186.74-1,440,420.81

Finding the Fourth Proportional to 3,460,664.70, 5,188,186.74 and 1,440,420.81

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Solution

The fourth proportional to 3,460,664.70, 5,188,186.74 and 1,440,420.81 is: 2,159,461.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460,664.70 : 5,188,186.74 = 1,440,420.81 : x
  2. Step 2: Convert to fraction form
    3,460,664.70/5,188,186.74 = 1,440,420.81/x
  3. Step 3: Cross multiply
    3,460,664.70x = 5,188,186.74 × 1,440,420.81
  4. Step 4: Simplify right side
    3,460,664.70x = 7,473,172,132,407.94
  5. Step 5: Solve for x
    x = 7,473,172,132,407.94/3,460,664.70
  6. Step 6: Final answer
    x = 2,159,461.49

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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.