Finding the Fourth Proportional to 6,386,531.20, 9,582,421.20 and 2,344,955.20
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Solution
The fourth proportional to 6,386,531.20, 9,582,421.20 and 2,344,955.20 is: 3,518,396.41
Step by Step Solution
- Step 1: Write the proportion equation
6,386,531.20 : 9,582,421.20 = 2,344,955.20 : x - Step 2: Convert to fraction form
6,386,531.20/9,582,421.20 = 2,344,955.20/x - Step 3: Cross multiply
6,386,531.20x = 9,582,421.20 × 2,344,955.20 - Step 4: Simplify right side
6,386,531.20x = 22,470,348,421,530.24 - Step 5: Solve for x
x = 22,470,348,421,530.24/6,386,531.20 - Step 6: Final answer
x = 3,518,396.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.