Finding the Fourth Proportional to 2,880,889.32, 3,975,519.90 and 1,591,702.08
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Solution
The fourth proportional to 2,880,889.32, 3,975,519.90 and 1,591,702.08 is: 2,196,489.55
Step by Step Solution
- Step 1: Write the proportion equation
2,880,889.32 : 3,975,519.90 = 1,591,702.08 : x - Step 2: Convert to fraction form
2,880,889.32/3,975,519.90 = 1,591,702.08/x - Step 3: Cross multiply
2,880,889.32x = 3,975,519.90 × 1,591,702.08 - Step 4: Simplify right side
2,880,889.32x = 6,327,843,293,911.39 - Step 5: Solve for x
x = 6,327,843,293,911.39/2,880,889.32 - Step 6: Final answer
x = 2,196,489.55
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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.