Finding the Fourth Proportional to 5,219,668.26, 7,203,127.46 and 2,896,911.48
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Solution
The fourth proportional to 5,219,668.26, 7,203,127.46 and 2,896,911.48 is: 3,997,729.66
Step by Step Solution
- Step 1: Write the proportion equation
5,219,668.26 : 7,203,127.46 = 2,896,911.48 : x - Step 2: Convert to fraction form
5,219,668.26/7,203,127.46 = 2,896,911.48/x - Step 3: Cross multiply
5,219,668.26x = 7,203,127.46 × 2,896,911.48 - Step 4: Simplify right side
5,219,668.26x = 20,866,822,630,777.24 - Step 5: Solve for x
x = 20,866,822,630,777.24/5,219,668.26 - Step 6: Final answer
x = 3,997,729.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.