Finding the Fourth Proportional to 5,637,775.58, 7,780,135.36 and 3,059,456.35
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Solution
The fourth proportional to 5,637,775.58, 7,780,135.36 and 3,059,456.35 is: 4,222,052.50
Step by Step Solution
- Step 1: Write the proportion equation
5,637,775.58 : 7,780,135.36 = 3,059,456.35 : x - Step 2: Convert to fraction form
5,637,775.58/7,780,135.36 = 3,059,456.35/x - Step 3: Cross multiply
5,637,775.58x = 7,780,135.36 × 3,059,456.35 - Step 4: Simplify right side
5,637,775.58x = 23,802,984,492,110.86 - Step 5: Solve for x
x = 23,802,984,492,110.86/5,637,775.58 - Step 6: Final answer
x = 4,222,052.50
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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.