Finding the Fourth Proportional to 4,490,184.98, 6,194,620.32 and 3,315,598.40
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Solution
The fourth proportional to 4,490,184.98, 6,194,620.32 and 3,315,598.40 is: 4,574,170.84
Step by Step Solution
- Step 1: Write the proportion equation
4,490,184.98 : 6,194,620.32 = 3,315,598.40 : x - Step 2: Convert to fraction form
4,490,184.98/6,194,620.32 = 3,315,598.40/x - Step 3: Cross multiply
4,490,184.98x = 6,194,620.32 × 3,315,598.40 - Step 4: Simplify right side
4,490,184.98x = 20,538,873,221,599.49 - Step 5: Solve for x
x = 20,538,873,221,599.49/4,490,184.98 - Step 6: Final answer
x = 4,574,170.84
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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.