Finding the Fourth Proportional to 3,268,271.84, 4,900,833.08 and 1,138,308.80
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Solution
The fourth proportional to 3,268,271.84, 4,900,833.08 and 1,138,308.80 is: 1,706,914.75
Step by Step Solution
- Step 1: Write the proportion equation
3,268,271.84 : 4,900,833.08 = 1,138,308.80 : x - Step 2: Convert to fraction form
3,268,271.84/4,900,833.08 = 1,138,308.80/x - Step 3: Cross multiply
3,268,271.84x = 4,900,833.08 × 1,138,308.80 - Step 4: Simplify right side
3,268,271.84x = 5,578,661,422,295.10 - Step 5: Solve for x
x = 5,578,661,422,295.10/3,268,271.84 - Step 6: Final answer
x = 1,706,914.75
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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.