Finding the Fourth Proportional to 4,384,347.31, 6,530,289.26 and 4,187,631.15
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Solution
The fourth proportional to 4,384,347.31, 6,530,289.26 and 4,187,631.15 is: 6,237,289.33
Step by Step Solution
- Step 1: Write the proportion equation
4,384,347.31 : 6,530,289.26 = 4,187,631.15 : x - Step 2: Convert to fraction form
4,384,347.31/6,530,289.26 = 4,187,631.15/x - Step 3: Cross multiply
4,384,347.31x = 6,530,289.26 × 4,187,631.15 - Step 4: Simplify right side
4,384,347.31x = 27,346,442,702,748.29 - Step 5: Solve for x
x = 27,346,442,702,748.29/4,384,347.31 - Step 6: Final answer
x = 6,237,289.33
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.