Finding the Fourth Proportional to 1,618,639.68, 2,429,184.84 and 909,264.36
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Solution
The fourth proportional to 1,618,639.68, 2,429,184.84 and 909,264.36 is: 1,364,584.86
Step by Step Solution
- Step 1: Write the proportion equation
1,618,639.68 : 2,429,184.84 = 909,264.36 : x - Step 2: Convert to fraction form
1,618,639.68/2,429,184.84 = 909,264.36/x - Step 3: Cross multiply
1,618,639.68x = 2,429,184.84 × 909,264.36 - Step 4: Simplify right side
1,618,639.68x = 2,208,771,198,864.30 - Step 5: Solve for x
x = 2,208,771,198,864.30/1,618,639.68 - Step 6: Final answer
x = 1,364,584.86
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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.