Finding the Fourth Proportional to 6,381,281.27, 8,806,195.86 and 3,480,734.45
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Solution
The fourth proportional to 6,381,281.27, 8,806,195.86 and 3,480,734.45 is: 4,803,428.65
Step by Step Solution
- Step 1: Write the proportion equation
6,381,281.27 : 8,806,195.86 = 3,480,734.45 : x - Step 2: Convert to fraction form
6,381,281.27/8,806,195.86 = 3,480,734.45/x - Step 3: Cross multiply
6,381,281.27x = 8,806,195.86 × 3,480,734.45 - Step 4: Simplify right side
6,381,281.27x = 30,652,029,303,349.38 - Step 5: Solve for x
x = 30,652,029,303,349.38/6,381,281.27 - Step 6: Final answer
x = 4,803,428.65
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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.