Finding the Fourth Proportional to 4,626,982.32, 6,384,328.20 and 2,907,106.40
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Solution
The fourth proportional to 4,626,982.32, 6,384,328.20 and 2,907,106.40 is: 4,011,236.72
Step by Step Solution
- Step 1: Write the proportion equation
4,626,982.32 : 6,384,328.20 = 2,907,106.40 : x - Step 2: Convert to fraction form
4,626,982.32/6,384,328.20 = 2,907,106.40/x - Step 3: Cross multiply
4,626,982.32x = 6,384,328.20 × 2,907,106.40 - Step 4: Simplify right side
4,626,982.32x = 18,559,921,369,920.48 - Step 5: Solve for x
x = 18,559,921,369,920.48/4,626,982.32 - Step 6: Final answer
x = 4,011,236.72
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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.