Finding the Fourth Proportional to 2,784,115.98, 3,842,618.66 and 1,815,564.76
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Solution
The fourth proportional to 2,784,115.98, 3,842,618.66 and 1,815,564.76 is: 2,505,830.60
Step by Step Solution
- Step 1: Write the proportion equation
2,784,115.98 : 3,842,618.66 = 1,815,564.76 : x - Step 2: Convert to fraction form
2,784,115.98/3,842,618.66 = 1,815,564.76/x - Step 3: Cross multiply
2,784,115.98x = 3,842,618.66 × 1,815,564.76 - Step 4: Simplify right side
2,784,115.98x = 6,976,523,013,338.42 - Step 5: Solve for x
x = 6,976,523,013,338.42/2,784,115.98 - Step 6: Final answer
x = 2,505,830.60
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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.