Finding the Fourth Proportional to 2,618,862.48, 3,929,253.21 and 1,102,926.99
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Solution
The fourth proportional to 2,618,862.48, 3,929,253.21 and 1,102,926.99 is: 1,654,794.57
Step by Step Solution
- Step 1: Write the proportion equation
2,618,862.48 : 3,929,253.21 = 1,102,926.99 : x - Step 2: Convert to fraction form
2,618,862.48/3,929,253.21 = 1,102,926.99/x - Step 3: Cross multiply
2,618,862.48x = 3,929,253.21 × 1,102,926.99 - Step 4: Simplify right side
2,618,862.48x = 4,333,679,415,853.14 - Step 5: Solve for x
x = 4,333,679,415,853.14/2,618,862.48 - Step 6: Final answer
x = 1,654,794.57
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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.