Finding the Fourth Proportional to 5,168,299.74, 7,132,127.90 and 2,845,173.35
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Solution
The fourth proportional to 5,168,299.74, 7,132,127.90 and 2,845,173.35 is: 3,926,269.99
Step by Step Solution
- Step 1: Write the proportion equation
5,168,299.74 : 7,132,127.90 = 2,845,173.35 : x - Step 2: Convert to fraction form
5,168,299.74/7,132,127.90 = 2,845,173.35/x - Step 3: Cross multiply
5,168,299.74x = 7,132,127.90 × 2,845,173.35 - Step 4: Simplify right side
5,168,299.74x = 20,292,140,179,984.96 - Step 5: Solve for x
x = 20,292,140,179,984.96/5,168,299.74 - Step 6: Final answer
x = 3,926,269.99
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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.