Finding the Fourth Proportional to 1,926,394.29, 2,658,326.58 and 1,055,217.42
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Solution
The fourth proportional to 1,926,394.29, 2,658,326.58 and 1,055,217.42 is: 1,456,146.61
Step by Step Solution
- Step 1: Write the proportion equation
1,926,394.29 : 2,658,326.58 = 1,055,217.42 : x - Step 2: Convert to fraction form
1,926,394.29/2,658,326.58 = 1,055,217.42/x - Step 3: Cross multiply
1,926,394.29x = 2,658,326.58 × 1,055,217.42 - Step 4: Simplify right side
1,926,394.29x = 2,805,112,515,265.02 - Step 5: Solve for x
x = 2,805,112,515,265.02/1,926,394.29 - Step 6: Final answer
x = 1,456,146.61
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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.