Finding the Fourth Proportional to 3,612,252.18, 4,984,965.81 and 1,980,808.50
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Solution
The fourth proportional to 3,612,252.18, 4,984,965.81 and 1,980,808.50 is: 2,733,547.43
Step by Step Solution
- Step 1: Write the proportion equation
3,612,252.18 : 4,984,965.81 = 1,980,808.50 : x - Step 2: Convert to fraction form
3,612,252.18/4,984,965.81 = 1,980,808.50/x - Step 3: Cross multiply
3,612,252.18x = 4,984,965.81 × 1,980,808.50 - Step 4: Simplify right side
3,612,252.18x = 9,874,262,648,657.39 - Step 5: Solve for x
x = 9,874,262,648,657.39/3,612,252.18 - Step 6: Final answer
x = 2,733,547.43
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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.