Finding the Fourth Proportional to 1,421,611.56, 2,132,791.20 and 510,885.99
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Solution
The fourth proportional to 1,421,611.56, 2,132,791.20 and 510,885.99 is: 766,463.34
Step by Step Solution
- Step 1: Write the proportion equation
1,421,611.56 : 2,132,791.20 = 510,885.99 : x - Step 2: Convert to fraction form
1,421,611.56/2,132,791.20 = 510,885.99/x - Step 3: Cross multiply
1,421,611.56x = 2,132,791.20 × 510,885.99 - Step 4: Simplify right side
1,421,611.56x = 1,089,613,143,675.29 - Step 5: Solve for x
x = 1,089,613,143,675.29/1,421,611.56 - Step 6: Final answer
x = 766,463.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.