Finding the Fourth Proportional to 945,451.80, 1,415,553.30 and 919,207.80
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Solution
The fourth proportional to 945,451.80, 1,415,553.30 and 919,207.80 is: 1,376,260.15
Step by Step Solution
- Step 1: Write the proportion equation
945,451.80 : 1,415,553.30 = 919,207.80 : x - Step 2: Convert to fraction form
945,451.80/1,415,553.30 = 919,207.80/x - Step 3: Cross multiply
945,451.80x = 1,415,553.30 × 919,207.80 - Step 4: Simplify right side
945,451.80x = 1,301,187,634,675.74 - Step 5: Solve for x
x = 1,301,187,634,675.74/945,451.80 - Step 6: Final answer
x = 1,376,260.15
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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.