Finding the Fourth Proportional to 3,598,419.99, 4,962,605.43 and 2,985,602.55
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Solution
The fourth proportional to 3,598,419.99, 4,962,605.43 and 2,985,602.55 is: 4,117,464.74
Step by Step Solution
- Step 1: Write the proportion equation
3,598,419.99 : 4,962,605.43 = 2,985,602.55 : x - Step 2: Convert to fraction form
3,598,419.99/4,962,605.43 = 2,985,602.55/x - Step 3: Cross multiply
3,598,419.99x = 4,962,605.43 × 2,985,602.55 - Step 4: Simplify right side
3,598,419.99x = 14,816,367,426,451.84 - Step 5: Solve for x
x = 14,816,367,426,451.84/3,598,419.99 - Step 6: Final answer
x = 4,117,464.74
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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.