Finding the Fourth Proportional to 1,490,194, 2,235,624.18 and 543,564.69
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Solution
The fourth proportional to 1,490,194, 2,235,624.18 and 543,564.69 is: 815,468.57
Step by Step Solution
- Step 1: Write the proportion equation
1,490,194 : 2,235,624.18 = 543,564.69 : x - Step 2: Convert to fraction form
1,490,194/2,235,624.18 = 543,564.69/x - Step 3: Cross multiply
1,490,194x = 2,235,624.18 × 543,564.69 - Step 4: Simplify right side
1,490,194x = 1,215,206,364,358.20 - Step 5: Solve for x
x = 1,215,206,364,358.20/1,490,194 - Step 6: Final answer
x = 815,468.57
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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.