Finding the Fourth Proportional to 4,384,342.23, 6,530,281.72 and 4,187,626.06
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Solution
The fourth proportional to 4,384,342.23, 6,530,281.72 and 4,187,626.06 is: 6,237,281.79
Step by Step Solution
- Step 1: Write the proportion equation
4,384,342.23 : 6,530,281.72 = 4,187,626.06 : x - Step 2: Convert to fraction form
4,384,342.23/6,530,281.72 = 4,187,626.06/x - Step 3: Cross multiply
4,384,342.23x = 6,530,281.72 × 4,187,626.06 - Step 4: Simplify right side
4,384,342.23x = 27,346,377,943,074.00 - Step 5: Solve for x
x = 27,346,377,943,074.00/4,384,342.23 - Step 6: Final answer
x = 6,237,281.79
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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.