Finding the Fourth Proportional to 4,722,030.11, 6,515,822.17 and 2,979,042.14
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Solution
The fourth proportional to 4,722,030.11, 6,515,822.17 and 2,979,042.14 is: 4,110,712.63
Step by Step Solution
- Step 1: Write the proportion equation
4,722,030.11 : 6,515,822.17 = 2,979,042.14 : x - Step 2: Convert to fraction form
4,722,030.11/6,515,822.17 = 2,979,042.14/x - Step 3: Cross multiply
4,722,030.11x = 6,515,822.17 × 2,979,042.14 - Step 4: Simplify right side
4,722,030.11x = 19,410,908,830,018.20 - Step 5: Solve for x
x = 19,410,908,830,018.20/4,722,030.11 - Step 6: Final answer
x = 4,110,712.63
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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.