Finding the Fourth Proportional to 1,514,615.08, 2,090,135.12 and 835,551.40
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Solution
The fourth proportional to 1,514,615.08, 2,090,135.12 and 835,551.40 is: 1,153,042.35
Step by Step Solution
- Step 1: Write the proportion equation
1,514,615.08 : 2,090,135.12 = 835,551.40 : x - Step 2: Convert to fraction form
1,514,615.08/2,090,135.12 = 835,551.40/x - Step 3: Cross multiply
1,514,615.08x = 2,090,135.12 × 835,551.40 - Step 4: Simplify right side
1,514,615.08x = 1,746,415,325,705.17 - Step 5: Solve for x
x = 1,746,415,325,705.17/1,514,615.08 - Step 6: Final answer
x = 1,153,042.35
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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.