Home / 3,193,259.40-4,789,889.10-2,931,985.80

Finding the Fourth Proportional to 3,193,259.40, 4,789,889.10 and 2,931,985.80

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Solution

The fourth proportional to 3,193,259.40, 4,789,889.10 and 2,931,985.80 is: 4,397,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193,259.40 : 4,789,889.10 = 2,931,985.80 : x
  2. Step 2: Convert to fraction form
    3,193,259.40/4,789,889.10 = 2,931,985.80/x
  3. Step 3: Cross multiply
    3,193,259.40x = 4,789,889.10 × 2,931,985.80
  4. Step 4: Simplify right side
    3,193,259.40x = 14,043,886,824,774.78
  5. Step 5: Solve for x
    x = 14,043,886,824,774.78/3,193,259.40
  6. Step 6: Final answer
    x = 4,397,978.70

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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.