Finding the Fourth Proportional to 6,875,576.25, 9,487,739.79 and 3,975,154.06
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Solution
The fourth proportional to 6,875,576.25, 9,487,739.79 and 3,975,154.06 is: 5,485,391.47
Step by Step Solution
- Step 1: Write the proportion equation
6,875,576.25 : 9,487,739.79 = 3,975,154.06 : x - Step 2: Convert to fraction form
6,875,576.25/9,487,739.79 = 3,975,154.06/x - Step 3: Cross multiply
6,875,576.25x = 9,487,739.79 × 3,975,154.06 - Step 4: Simplify right side
6,875,576.25x = 37,715,227,346,442.05 - Step 5: Solve for x
x = 37,715,227,346,442.05/6,875,576.25 - Step 6: Final answer
x = 5,485,391.47
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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.