Home / 3,139,518.20-4,698,779.70-2,194,734.20

Finding the Fourth Proportional to 3,139,518.20, 4,698,779.70 and 2,194,734.20

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Solution

The fourth proportional to 3,139,518.20, 4,698,779.70 and 2,194,734.20 is: 3,284,762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,518.20 : 4,698,779.70 = 2,194,734.20 : x
  2. Step 2: Convert to fraction form
    3,139,518.20/4,698,779.70 = 2,194,734.20/x
  3. Step 3: Cross multiply
    3,139,518.20x = 4,698,779.70 × 2,194,734.20
  4. Step 4: Simplify right side
    3,139,518.20x = 10,312,572,505,855.74
  5. Step 5: Solve for x
    x = 10,312,572,505,855.74/3,139,518.20
  6. Step 6: Final answer
    x = 3,284,762.77

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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.