Finding the Fourth Proportional to 2,148,013.05, 3,221,946.68 and 550,591.80
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Solution
The fourth proportional to 2,148,013.05, 3,221,946.68 and 550,591.80 is: 825,869.01
Step by Step Solution
- Step 1: Write the proportion equation
2,148,013.05 : 3,221,946.68 = 550,591.80 : x - Step 2: Convert to fraction form
2,148,013.05/3,221,946.68 = 550,591.80/x - Step 3: Cross multiply
2,148,013.05x = 3,221,946.68 × 550,591.80 - Step 4: Simplify right side
2,148,013.05x = 1,773,977,419,292.27 - Step 5: Solve for x
x = 1,773,977,419,292.27/2,148,013.05 - Step 6: Final answer
x = 825,869.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.