Finding the Fourth Proportional to 2,526,116.92, 3,486,045.08 and 1,438,389.38
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Solution
The fourth proportional to 2,526,116.92, 3,486,045.08 and 1,438,389.38 is: 1,984,979.47
Step by Step Solution
- Step 1: Write the proportion equation
2,526,116.92 : 3,486,045.08 = 1,438,389.38 : x - Step 2: Convert to fraction form
2,526,116.92/3,486,045.08 = 1,438,389.38/x - Step 3: Cross multiply
2,526,116.92x = 3,486,045.08 × 1,438,389.38 - Step 4: Simplify right side
2,526,116.92x = 5,014,290,221,273.25 - Step 5: Solve for x
x = 5,014,290,221,273.25/2,526,116.92 - Step 6: Final answer
x = 1,984,979.47
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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.