Finding the Fourth Proportional to 1,488,493.40, 2,230,277.70 and 856,304.60
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Solution
The fourth proportional to 1,488,493.40, 2,230,277.70 and 856,304.60 is: 1,283,040.32
Step by Step Solution
- Step 1: Write the proportion equation
1,488,493.40 : 2,230,277.70 = 856,304.60 : x - Step 2: Convert to fraction form
1,488,493.40/2,230,277.70 = 856,304.60/x - Step 3: Cross multiply
1,488,493.40x = 2,230,277.70 × 856,304.60 - Step 4: Simplify right side
1,488,493.40x = 1,909,797,053,787.42 - Step 5: Solve for x
x = 1,909,797,053,787.42/1,488,493.40 - Step 6: Final answer
x = 1,283,040.32
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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.