Home / 3,905,999.04-5,390,432.64-2,187,104.16

Finding the Fourth Proportional to 3,905,999.04, 5,390,432.64 and 2,187,104.16

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Solution

The fourth proportional to 3,905,999.04, 5,390,432.64 and 2,187,104.16 is: 3,018,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905,999.04 : 5,390,432.64 = 2,187,104.16 : x
  2. Step 2: Convert to fraction form
    3,905,999.04/5,390,432.64 = 2,187,104.16/x
  3. Step 3: Cross multiply
    3,905,999.04x = 5,390,432.64 × 2,187,104.16
  4. Step 4: Simplify right side
    3,905,999.04x = 11,789,437,651,143.78
  5. Step 5: Solve for x
    x = 11,789,437,651,143.78/3,905,999.04
  6. Step 6: Final answer
    x = 3,018,289.95

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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.