Finding the Fourth Proportional to 1,412,776.67, 1,950,354.20 and 1,089,761.63
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Solution
The fourth proportional to 1,412,776.67, 1,950,354.20 and 1,089,761.63 is: 1,504,428.28
Step by Step Solution
- Step 1: Write the proportion equation
1,412,776.67 : 1,950,354.20 = 1,089,761.63 : x - Step 2: Convert to fraction form
1,412,776.67/1,950,354.20 = 1,089,761.63/x - Step 3: Cross multiply
1,412,776.67x = 1,950,354.20 × 1,089,761.63 - Step 4: Simplify right side
1,412,776.67x = 2,125,421,172,069.35 - Step 5: Solve for x
x = 2,125,421,172,069.35/1,412,776.67 - Step 6: Final answer
x = 1,504,428.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.