Finding the Fourth Proportional to 2,213,480.79, 3,054,562.16 and 1,206,503.55
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Solution
The fourth proportional to 2,213,480.79, 3,054,562.16 and 1,206,503.55 is: 1,664,952.37
Step by Step Solution
- Step 1: Write the proportion equation
2,213,480.79 : 3,054,562.16 = 1,206,503.55 : x - Step 2: Convert to fraction form
2,213,480.79/3,054,562.16 = 1,206,503.55/x - Step 3: Cross multiply
2,213,480.79x = 3,054,562.16 × 1,206,503.55 - Step 4: Simplify right side
2,213,480.79x = 3,685,340,083,703.15 - Step 5: Solve for x
x = 3,685,340,083,703.15/2,213,480.79 - Step 6: Final answer
x = 1,664,952.37
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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.