Finding the Fourth Proportional to 7,238,703.49, 10,858,046.05 and 1,847,354.02
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Solution
The fourth proportional to 7,238,703.49, 10,858,046.05 and 1,847,354.02 is: 2,771,028.68
Step by Step Solution
- Step 1: Write the proportion equation
7,238,703.49 : 10,858,046.05 = 1,847,354.02 : x - Step 2: Convert to fraction form
7,238,703.49/10,858,046.05 = 1,847,354.02/x - Step 3: Cross multiply
7,238,703.49x = 10,858,046.05 × 1,847,354.02 - Step 4: Simplify right side
7,238,703.49x = 20,058,654,994,976.70 - Step 5: Solve for x
x = 20,058,654,994,976.70/7,238,703.49 - Step 6: Final answer
x = 2,771,028.68
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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.