Home / 6,421,669.54-8,861,989.71-3,521,053.06

Finding the Fourth Proportional to 6,421,669.54, 8,861,989.71 and 3,521,053.06

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Solution

The fourth proportional to 6,421,669.54, 8,861,989.71 and 3,521,053.06 is: 4,859,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,669.54 : 8,861,989.71 = 3,521,053.06 : x
  2. Step 2: Convert to fraction form
    6,421,669.54/8,861,989.71 = 3,521,053.06/x
  3. Step 3: Cross multiply
    6,421,669.54x = 8,861,989.71 × 3,521,053.06
  4. Step 4: Simplify right side
    6,421,669.54x = 31,203,535,986,084.02
  5. Step 5: Solve for x
    x = 31,203,535,986,084.02/6,421,669.54
  6. Step 6: Final answer
    x = 4,859,100.24

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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.