Finding the Fourth Proportional to 5,709,610.68, 7,878,533.99 and 3,262,380.23
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Solution
The fourth proportional to 5,709,610.68, 7,878,533.99 and 3,262,380.23 is: 4,501,668.31
Step by Step Solution
- Step 1: Write the proportion equation
5,709,610.68 : 7,878,533.99 = 3,262,380.23 : x - Step 2: Convert to fraction form
5,709,610.68/7,878,533.99 = 3,262,380.23/x - Step 3: Cross multiply
5,709,610.68x = 7,878,533.99 × 3,262,380.23 - Step 4: Simplify right side
5,709,610.68x = 25,702,773,474,654.45 - Step 5: Solve for x
x = 25,702,773,474,654.45/5,709,610.68 - Step 6: Final answer
x = 4,501,668.31
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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.