Finding the Fourth Proportional to 2,979,024.05, 4,110,932.13 and 1,689,836.77
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Solution
The fourth proportional to 2,979,024.05, 4,110,932.13 and 1,689,836.77 is: 2,331,906.07
Step by Step Solution
- Step 1: Write the proportion equation
2,979,024.05 : 4,110,932.13 = 1,689,836.77 : x - Step 2: Convert to fraction form
2,979,024.05/4,110,932.13 = 1,689,836.77/x - Step 3: Cross multiply
2,979,024.05x = 4,110,932.13 × 1,689,836.77 - Step 4: Simplify right side
2,979,024.05x = 6,946,804,272,248.42 - Step 5: Solve for x
x = 6,946,804,272,248.42/2,979,024.05 - Step 6: Final answer
x = 2,331,906.07
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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.