Finding the Fourth Proportional to 1,368,630.95, 2,053,239.84 and 409,161.65
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Solution
The fourth proportional to 1,368,630.95, 2,053,239.84 and 409,161.65 is: 613,830.19
Step by Step Solution
- Step 1: Write the proportion equation
1,368,630.95 : 2,053,239.84 = 409,161.65 : x - Step 2: Convert to fraction form
1,368,630.95/2,053,239.84 = 409,161.65/x - Step 3: Cross multiply
1,368,630.95x = 2,053,239.84 × 409,161.65 - Step 4: Simplify right side
1,368,630.95x = 840,106,990,513.94 - Step 5: Solve for x
x = 840,106,990,513.94/1,368,630.95 - Step 6: Final answer
x = 613,830.19
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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.