Finding the Fourth Proportional to 1,454,788.76, 2,008,527.62 and 1,072,149.08
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Solution
The fourth proportional to 1,454,788.76, 2,008,527.62 and 1,072,149.08 is: 1,480,243.11
Step by Step Solution
- Step 1: Write the proportion equation
1,454,788.76 : 2,008,527.62 = 1,072,149.08 : x - Step 2: Convert to fraction form
1,454,788.76/2,008,527.62 = 1,072,149.08/x - Step 3: Cross multiply
1,454,788.76x = 2,008,527.62 × 1,072,149.08 - Step 4: Simplify right side
1,454,788.76x = 2,153,441,039,937.59 - Step 5: Solve for x
x = 2,153,441,039,937.59/1,454,788.76 - Step 6: Final answer
x = 1,480,243.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.