Finding the Fourth Proportional to 1,532,396.05, 2,114,706.54 and 888,189.91
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Solution
The fourth proportional to 1,532,396.05, 2,114,706.54 and 888,189.91 is: 1,225,702.07
Step by Step Solution
- Step 1: Write the proportion equation
1,532,396.05 : 2,114,706.54 = 888,189.91 : x - Step 2: Convert to fraction form
1,532,396.05/2,114,706.54 = 888,189.91/x - Step 3: Cross multiply
1,532,396.05x = 2,114,706.54 × 888,189.91 - Step 4: Simplify right side
1,532,396.05x = 1,878,261,011,439.01 - Step 5: Solve for x
x = 1,878,261,011,439.01/1,532,396.05 - Step 6: Final answer
x = 1,225,702.07
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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.