Finding the Fourth Proportional to 3,271,307.19, 4,907,748.11 and 1,378,589.91
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Solution
The fourth proportional to 3,271,307.19, 4,907,748.11 and 1,378,589.91 is: 2,068,216.66
Step by Step Solution
- Step 1: Write the proportion equation
3,271,307.19 : 4,907,748.11 = 1,378,589.91 : x - Step 2: Convert to fraction form
3,271,307.19/4,907,748.11 = 1,378,589.91/x - Step 3: Cross multiply
3,271,307.19x = 4,907,748.11 × 1,378,589.91 - Step 4: Simplify right side
3,271,307.19x = 6,765,772,018,374.62 - Step 5: Solve for x
x = 6,765,772,018,374.62/3,271,307.19 - Step 6: Final answer
x = 2,068,216.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.