Home / 3,920,105.44-5,871,585.12-2,779,409.98

Finding the Fourth Proportional to 3,920,105.44, 5,871,585.12 and 2,779,409.98

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Solution

The fourth proportional to 3,920,105.44, 5,871,585.12 and 2,779,409.98 is: 4,163,036.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,105.44 : 5,871,585.12 = 2,779,409.98 : x
  2. Step 2: Convert to fraction form
    3,920,105.44/5,871,585.12 = 2,779,409.98/x
  3. Step 3: Cross multiply
    3,920,105.44x = 5,871,585.12 × 2,779,409.98
  4. Step 4: Simplify right side
    3,920,105.44x = 16,319,542,280,947.50
  5. Step 5: Solve for x
    x = 16,319,542,280,947.50/3,920,105.44
  6. Step 6: Final answer
    x = 4,163,036.56

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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.