Finding the Fourth Proportional to 3,320,492.16, 4,583,425.80 and 1,944,278.26
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Solution
The fourth proportional to 3,320,492.16, 4,583,425.80 and 1,944,278.26 is: 2,683,775.39
Step by Step Solution
- Step 1: Write the proportion equation
3,320,492.16 : 4,583,425.80 = 1,944,278.26 : x - Step 2: Convert to fraction form
3,320,492.16/4,583,425.80 = 1,944,278.26/x - Step 3: Cross multiply
3,320,492.16x = 4,583,425.80 × 1,944,278.26 - Step 4: Simplify right side
3,320,492.16x = 8,911,455,139,263.11 - Step 5: Solve for x
x = 8,911,455,139,263.11/3,320,492.16 - Step 6: Final answer
x = 2,683,775.39
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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.