Finding the Fourth Proportional to 6,955,471.62, 10,430,648.49 and 2,405,352.51
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Solution
The fourth proportional to 6,955,471.62, 10,430,648.49 and 2,405,352.51 is: 3,607,143.83
Step by Step Solution
- Step 1: Write the proportion equation
6,955,471.62 : 10,430,648.49 = 2,405,352.51 : x - Step 2: Convert to fraction form
6,955,471.62/10,430,648.49 = 2,405,352.51/x - Step 3: Cross multiply
6,955,471.62x = 10,430,648.49 × 2,405,352.51 - Step 4: Simplify right side
6,955,471.62x = 25,089,386,521,839.17 - Step 5: Solve for x
x = 25,089,386,521,839.17/6,955,471.62 - Step 6: Final answer
x = 3,607,143.83
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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.