Finding the Fourth Proportional to 4,384,348.16, 6,530,290.51 and 4,187,631.99
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Solution
The fourth proportional to 4,384,348.16, 6,530,290.51 and 4,187,631.99 is: 6,237,290.59
Step by Step Solution
- Step 1: Write the proportion equation
4,384,348.16 : 6,530,290.51 = 4,187,631.99 : x - Step 2: Convert to fraction form
4,384,348.16/6,530,290.51 = 4,187,631.99/x - Step 3: Cross multiply
4,384,348.16x = 6,530,290.51 × 4,187,631.99 - Step 4: Simplify right side
4,384,348.16x = 27,346,453,477,318.45 - Step 5: Solve for x
x = 27,346,453,477,318.45/4,384,348.16 - Step 6: Final answer
x = 6,237,290.59
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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.