Finding the Fourth Proportional to 6,381,280.80, 8,806,195.02 and 3,480,733.98
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Solution
The fourth proportional to 6,381,280.80, 8,806,195.02 and 3,480,733.98 is: 4,803,427.90
Step by Step Solution
- Step 1: Write the proportion equation
6,381,280.80 : 8,806,195.02 = 3,480,733.98 : x - Step 2: Convert to fraction form
6,381,280.80/8,806,195.02 = 3,480,733.98/x - Step 3: Cross multiply
6,381,280.80x = 8,806,195.02 × 3,480,733.98 - Step 4: Simplify right side
6,381,280.80x = 30,652,022,240,620.78 - Step 5: Solve for x
x = 30,652,022,240,620.78/6,381,280.80 - Step 6: Final answer
x = 4,803,427.90
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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.