Finding the Fourth Proportional to 5,122,430.52, 7,068,114.87 and 3,028,982.58
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Solution
The fourth proportional to 5,122,430.52, 7,068,114.87 and 3,028,982.58 is: 4,179,499.70
Step by Step Solution
- Step 1: Write the proportion equation
5,122,430.52 : 7,068,114.87 = 3,028,982.58 : x - Step 2: Convert to fraction form
5,122,430.52/7,068,114.87 = 3,028,982.58/x - Step 3: Cross multiply
5,122,430.52x = 7,068,114.87 × 3,028,982.58 - Step 4: Simplify right side
5,122,430.52x = 21,409,196,814,668.96 - Step 5: Solve for x
x = 21,409,196,814,668.96/5,122,430.52 - Step 6: Final answer
x = 4,179,499.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.