Finding the Fourth Proportional to 4,518,320.57, 6,235,218.55 and 2,558,148.05
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Solution
The fourth proportional to 4,518,320.57, 6,235,218.55 and 2,558,148.05 is: 3,530,208.17
Step by Step Solution
- Step 1: Write the proportion equation
4,518,320.57 : 6,235,218.55 = 2,558,148.05 : x - Step 2: Convert to fraction form
4,518,320.57/6,235,218.55 = 2,558,148.05/x - Step 3: Cross multiply
4,518,320.57x = 6,235,218.55 × 2,558,148.05 - Step 4: Simplify right side
4,518,320.57x = 15,950,612,193,792.06 - Step 5: Solve for x
x = 15,950,612,193,792.06/4,518,320.57 - Step 6: Final answer
x = 3,530,208.17
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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.