Finding the Fourth Proportional to 4,128,108.84, 5,696,979.30 and 2,292,575.27
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Solution
The fourth proportional to 4,128,108.84, 5,696,979.30 and 2,292,575.27 is: 3,163,858.88
Step by Step Solution
- Step 1: Write the proportion equation
4,128,108.84 : 5,696,979.30 = 2,292,575.27 : x - Step 2: Convert to fraction form
4,128,108.84/5,696,979.30 = 2,292,575.27/x - Step 3: Cross multiply
4,128,108.84x = 5,696,979.30 × 2,292,575.27 - Step 4: Simplify right side
4,128,108.84x = 13,060,753,828,397.02 - Step 5: Solve for x
x = 13,060,753,828,397.02/4,128,108.84 - Step 6: Final answer
x = 3,163,858.88
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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.