Finding the Fourth Proportional to 4,657,715.99, 6,427,582.21 and 2,620,520.63
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Solution
The fourth proportional to 4,657,715.99, 6,427,582.21 and 2,620,520.63 is: 3,616,281.42
Step by Step Solution
- Step 1: Write the proportion equation
4,657,715.99 : 6,427,582.21 = 2,620,520.63 : x - Step 2: Convert to fraction form
4,657,715.99/6,427,582.21 = 2,620,520.63/x - Step 3: Cross multiply
4,657,715.99x = 6,427,582.21 × 2,620,520.63 - Step 4: Simplify right side
4,657,715.99x = 16,843,611,782,325.99 - Step 5: Solve for x
x = 16,843,611,782,325.99/4,657,715.99 - Step 6: Final answer
x = 3,616,281.42
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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.