Finding the Fourth Proportional to 1,609,955.20, 2,414,932.80 and 863,459.20
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Solution
The fourth proportional to 1,609,955.20, 2,414,932.80 and 863,459.20 is: 1,295,188.80
Step by Step Solution
- Step 1: Write the proportion equation
1,609,955.20 : 2,414,932.80 = 863,459.20 : x - Step 2: Convert to fraction form
1,609,955.20/2,414,932.80 = 863,459.20/x - Step 3: Cross multiply
1,609,955.20x = 2,414,932.80 × 863,459.20 - Step 4: Simplify right side
1,609,955.20x = 2,085,195,943,541.76 - Step 5: Solve for x
x = 2,085,195,943,541.76/1,609,955.20 - Step 6: Final answer
x = 1,295,188.80
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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.