Finding the Fourth Proportional to 3,163,806.19, 4,366,051.05 and 1,713,501.55
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Solution
The fourth proportional to 3,163,806.19, 4,366,051.05 and 1,713,501.55 is: 2,364,631.33
Step by Step Solution
- Step 1: Write the proportion equation
3,163,806.19 : 4,366,051.05 = 1,713,501.55 : x - Step 2: Convert to fraction form
3,163,806.19/4,366,051.05 = 1,713,501.55/x - Step 3: Cross multiply
3,163,806.19x = 4,366,051.05 × 1,713,501.55 - Step 4: Simplify right side
3,163,806.19x = 7,481,235,241,554.13 - Step 5: Solve for x
x = 7,481,235,241,554.13/3,163,806.19 - Step 6: Final answer
x = 2,364,631.33
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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.