Finding the Fourth Proportional to 2,514,656.21, 3,470,129.12 and 1,426,862.91
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Solution
The fourth proportional to 2,514,656.21, 3,470,129.12 and 1,426,862.91 is: 1,969,016.09
Step by Step Solution
- Step 1: Write the proportion equation
2,514,656.21 : 3,470,129.12 = 1,426,862.91 : x - Step 2: Convert to fraction form
2,514,656.21/3,470,129.12 = 1,426,862.91/x - Step 3: Cross multiply
2,514,656.21x = 3,470,129.12 × 1,426,862.91 - Step 4: Simplify right side
2,514,656.21x = 4,951,398,523,273.50 - Step 5: Solve for x
x = 4,951,398,523,273.50/2,514,656.21 - Step 6: Final answer
x = 1,969,016.09
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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.