Finding the Fourth Proportional to 5,164,228.18, 7,126,634.76 and 2,841,070.80
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Solution
The fourth proportional to 5,164,228.18, 7,126,634.76 and 2,841,070.80 is: 3,920,677.63
Step by Step Solution
- Step 1: Write the proportion equation
5,164,228.18 : 7,126,634.76 = 2,841,070.80 : x - Step 2: Convert to fraction form
5,164,228.18/7,126,634.76 = 2,841,070.80/x - Step 3: Cross multiply
5,164,228.18x = 7,126,634.76 × 2,841,070.80 - Step 4: Simplify right side
5,164,228.18x = 20,247,273,918,901.01 - Step 5: Solve for x
x = 20,247,273,918,901.01/5,164,228.18 - Step 6: Final answer
x = 3,920,677.63
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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.