Finding the Fourth Proportional to 1,971,036.40, 2,952,407.40 and 1,639,260.40
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Solution
The fourth proportional to 1,971,036.40, 2,952,407.40 and 1,639,260.40 is: 2,455,441.48
Step by Step Solution
- Step 1: Write the proportion equation
1,971,036.40 : 2,952,407.40 = 1,639,260.40 : x - Step 2: Convert to fraction form
1,971,036.40/2,952,407.40 = 1,639,260.40/x - Step 3: Cross multiply
1,971,036.40x = 2,952,407.40 × 1,639,260.40 - Step 4: Simplify right side
1,971,036.40x = 4,839,764,535,486.96 - Step 5: Solve for x
x = 4,839,764,535,486.96/1,971,036.40 - Step 6: Final answer
x = 2,455,441.48
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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.