Finding the Fourth Proportional to 2,506,313.80, 3,458,120.07 and 1,418,585.23
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Solution
The fourth proportional to 2,506,313.80, 3,458,120.07 and 1,418,585.23 is: 1,957,311.99
Step by Step Solution
- Step 1: Write the proportion equation
2,506,313.80 : 3,458,120.07 = 1,418,585.23 : x - Step 2: Convert to fraction form
2,506,313.80/3,458,120.07 = 1,418,585.23/x - Step 3: Cross multiply
2,506,313.80x = 3,458,120.07 × 1,418,585.23 - Step 4: Simplify right side
2,506,313.80x = 4,905,638,054,868.57 - Step 5: Solve for x
x = 4,905,638,054,868.57/2,506,313.80 - Step 6: Final answer
x = 1,957,311.99
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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.