Finding the Fourth Proportional to 2,799,799.20, 4,201,772.40 and 1,852,855.20
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Solution
The fourth proportional to 2,799,799.20, 4,201,772.40 and 1,852,855.20 is: 2,780,655.07
Step by Step Solution
- Step 1: Write the proportion equation
2,799,799.20 : 4,201,772.40 = 1,852,855.20 : x - Step 2: Convert to fraction form
2,799,799.20/4,201,772.40 = 1,852,855.20/x - Step 3: Cross multiply
2,799,799.20x = 4,201,772.40 × 1,852,855.20 - Step 4: Simplify right side
2,799,799.20x = 7,785,275,840,556.48 - Step 5: Solve for x
x = 7,785,275,840,556.48/2,799,799.20 - Step 6: Final answer
x = 2,780,655.07
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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.