Finding the Fourth Proportional to 1,514,654.15, 2,090,228.58 and 826,341.44
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Solution
The fourth proportional to 1,514,654.15, 2,090,228.58 and 826,341.44 is: 1,140,354.38
Step by Step Solution
- Step 1: Write the proportion equation
1,514,654.15 : 2,090,228.58 = 826,341.44 : x - Step 2: Convert to fraction form
1,514,654.15/2,090,228.58 = 826,341.44/x - Step 3: Cross multiply
1,514,654.15x = 2,090,228.58 × 826,341.44 - Step 4: Simplify right side
1,514,654.15x = 1,727,242,484,275.21 - Step 5: Solve for x
x = 1,727,242,484,275.21/1,514,654.15 - Step 6: Final answer
x = 1,140,354.38
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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.