Home / 2,639,571.60-3,955,420.80-2,238,038.40

Finding the Fourth Proportional to 2,639,571.60, 3,955,420.80 and 2,238,038.40

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Solution

The fourth proportional to 2,639,571.60, 3,955,420.80 and 2,238,038.40 is: 3,353,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,571.60 : 3,955,420.80 = 2,238,038.40 : x
  2. Step 2: Convert to fraction form
    2,639,571.60/3,955,420.80 = 2,238,038.40/x
  3. Step 3: Cross multiply
    2,639,571.60x = 3,955,420.80 × 2,238,038.40
  4. Step 4: Simplify right side
    2,639,571.60x = 8,852,383,638,558.72
  5. Step 5: Solve for x
    x = 8,852,383,638,558.72/2,639,571.60
  6. Step 6: Final answer
    x = 3,353,719.84

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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.