Home / 5,384,499.30-8,076,748.95-1,972,779.30

Finding the Fourth Proportional to 5,384,499.30, 8,076,748.95 and 1,972,779.30

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Solution

The fourth proportional to 5,384,499.30, 8,076,748.95 and 1,972,779.30 is: 2,959,168.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,499.30 : 8,076,748.95 = 1,972,779.30 : x
  2. Step 2: Convert to fraction form
    5,384,499.30/8,076,748.95 = 1,972,779.30/x
  3. Step 3: Cross multiply
    5,384,499.30x = 8,076,748.95 × 1,972,779.30
  4. Step 4: Simplify right side
    5,384,499.30x = 15,933,643,139,856.74
  5. Step 5: Solve for x
    x = 15,933,643,139,856.74/5,384,499.30
  6. Step 6: Final answer
    x = 2,959,168.95

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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.