Home / 5,430,137.49-8,145,199.17-1,386,623.34

Finding the Fourth Proportional to 5,430,137.49, 8,145,199.17 and 1,386,623.34

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Solution

The fourth proportional to 5,430,137.49, 8,145,199.17 and 1,386,623.34 is: 2,079,933.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,137.49 : 8,145,199.17 = 1,386,623.34 : x
  2. Step 2: Convert to fraction form
    5,430,137.49/8,145,199.17 = 1,386,623.34/x
  3. Step 3: Cross multiply
    5,430,137.49x = 8,145,199.17 × 1,386,623.34
  4. Step 4: Simplify right side
    5,430,137.49x = 11,294,323,278,070.63
  5. Step 5: Solve for x
    x = 11,294,323,278,070.63/5,430,137.49
  6. Step 6: Final answer
    x = 2,079,933.21

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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.