Finding the Fourth Proportional to 1,121,092.84, 1,547,141 and 611,827.96
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Solution
The fourth proportional to 1,121,092.84, 1,547,141 and 611,827.96 is: 844,340.53
Step by Step Solution
- Step 1: Write the proportion equation
1,121,092.84 : 1,547,141 = 611,827.96 : x - Step 2: Convert to fraction form
1,121,092.84/1,547,141 = 611,827.96/x - Step 3: Cross multiply
1,121,092.84x = 1,547,141 × 611,827.96 - Step 4: Simplify right side
1,121,092.84x = 946,584,121,862.36 - Step 5: Solve for x
x = 946,584,121,862.36/1,121,092.84 - Step 6: Final answer
x = 844,340.53
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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.