Finding the Fourth Proportional to 1,488,575.22, 2,232,880.10 and 1,415,972.63
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Solution
The fourth proportional to 1,488,575.22, 2,232,880.10 and 1,415,972.63 is: 2,123,975.36
Step by Step Solution
- Step 1: Write the proportion equation
1,488,575.22 : 2,232,880.10 = 1,415,972.63 : x - Step 2: Convert to fraction form
1,488,575.22/2,232,880.10 = 1,415,972.63/x - Step 3: Cross multiply
1,488,575.22x = 2,232,880.10 × 1,415,972.63 - Step 4: Simplify right side
1,488,575.22x = 3,161,697,089,427.40 - Step 5: Solve for x
x = 3,161,697,089,427.40/1,488,575.22 - Step 6: Final answer
x = 2,123,975.36
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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.