Finding the Fourth Proportional to 1,624,414.91, 2,240,988.71 and 979,476.81
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Solution
The fourth proportional to 1,624,414.91, 2,240,988.71 and 979,476.81 is: 1,351,253.58
Step by Step Solution
- Step 1: Write the proportion equation
1,624,414.91 : 2,240,988.71 = 979,476.81 : x - Step 2: Convert to fraction form
1,624,414.91/2,240,988.71 = 979,476.81/x - Step 3: Cross multiply
1,624,414.91x = 2,240,988.71 × 979,476.81 - Step 4: Simplify right side
1,624,414.91x = 2,194,996,459,615.72 - Step 5: Solve for x
x = 2,194,996,459,615.72/1,624,414.91 - Step 6: Final answer
x = 1,351,253.58
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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.