Finding the Fourth Proportional to 4,501,639.79, 6,752,476.99 and 1,089,920.70
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Solution
The fourth proportional to 4,501,639.79, 6,752,476.99 and 1,089,920.70 is: 1,634,885.24
Step by Step Solution
- Step 1: Write the proportion equation
4,501,639.79 : 6,752,476.99 = 1,089,920.70 : x - Step 2: Convert to fraction form
4,501,639.79/6,752,476.99 = 1,089,920.70/x - Step 3: Cross multiply
4,501,639.79x = 6,752,476.99 × 1,089,920.70 - Step 4: Simplify right side
4,501,639.79x = 7,359,664,447,674.69 - Step 5: Solve for x
x = 7,359,664,447,674.69/4,501,639.79 - Step 6: Final answer
x = 1,634,885.24
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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.