Finding the Fourth Proportional to 2,330,131.58, 3,215,531.32 and 1,283,582.08
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Solution
The fourth proportional to 2,330,131.58, 3,215,531.32 and 1,283,582.08 is: 1,771,315.58
Step by Step Solution
- Step 1: Write the proportion equation
2,330,131.58 : 3,215,531.32 = 1,283,582.08 : x - Step 2: Convert to fraction form
2,330,131.58/3,215,531.32 = 1,283,582.08/x - Step 3: Cross multiply
2,330,131.58x = 3,215,531.32 × 1,283,582.08 - Step 4: Simplify right side
2,330,131.58x = 4,127,398,380,030.75 - Step 5: Solve for x
x = 4,127,398,380,030.75/2,330,131.58 - Step 6: Final answer
x = 1,771,315.58
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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.