Finding the Fourth Proportional to 1,983,929.19, 2,735,252.52 and 1,284,966.42
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Solution
The fourth proportional to 1,983,929.19, 2,735,252.52 and 1,284,966.42 is: 1,771,589.26
Step by Step Solution
- Step 1: Write the proportion equation
1,983,929.19 : 2,735,252.52 = 1,284,966.42 : x - Step 2: Convert to fraction form
1,983,929.19/2,735,252.52 = 1,284,966.42/x - Step 3: Cross multiply
1,983,929.19x = 2,735,252.52 × 1,284,966.42 - Step 4: Simplify right side
1,983,929.19x = 3,514,707,638,420.38 - Step 5: Solve for x
x = 3,514,707,638,420.38/1,983,929.19 - Step 6: Final answer
x = 1,771,589.26
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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.