Finding the Fourth Proportional to 1,555,547.28, 2,146,877.64 and 876,546.96
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Solution
The fourth proportional to 1,555,547.28, 2,146,877.64 and 876,546.96 is: 1,209,760.12
Step by Step Solution
- Step 1: Write the proportion equation
1,555,547.28 : 2,146,877.64 = 876,546.96 : x - Step 2: Convert to fraction form
1,555,547.28/2,146,877.64 = 876,546.96/x - Step 3: Cross multiply
1,555,547.28x = 2,146,877.64 × 876,546.96 - Step 4: Simplify right side
1,555,547.28x = 1,881,839,068,833.97 - Step 5: Solve for x
x = 1,881,839,068,833.97/1,555,547.28 - Step 6: Final answer
x = 1,209,760.12
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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.