Finding the Fourth Proportional to 2,989,906.66, 4,124,636.48 and 1,956,959.82
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Solution
The fourth proportional to 2,989,906.66, 4,124,636.48 and 1,956,959.82 is: 2,699,665.50
Step by Step Solution
- Step 1: Write the proportion equation
2,989,906.66 : 4,124,636.48 = 1,956,959.82 : x - Step 2: Convert to fraction form
2,989,906.66/4,124,636.48 = 1,956,959.82/x - Step 3: Cross multiply
2,989,906.66x = 4,124,636.48 × 1,956,959.82 - Step 4: Simplify right side
2,989,906.66x = 8,071,747,863,466.23 - Step 5: Solve for x
x = 8,071,747,863,466.23/2,989,906.66 - Step 6: Final answer
x = 2,699,665.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.