Finding the Fourth Proportional to 5,411,207.70, 8,116,811.55 and 2,576,855.70
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Solution
The fourth proportional to 5,411,207.70, 8,116,811.55 and 2,576,855.70 is: 3,865,283.55
Step by Step Solution
- Step 1: Write the proportion equation
5,411,207.70 : 8,116,811.55 = 2,576,855.70 : x - Step 2: Convert to fraction form
5,411,207.70/8,116,811.55 = 2,576,855.70/x - Step 3: Cross multiply
5,411,207.70x = 8,116,811.55 × 2,576,855.70 - Step 4: Simplify right side
5,411,207.70x = 20,915,852,108,443.34 - Step 5: Solve for x
x = 20,915,852,108,443.34/5,411,207.70 - Step 6: Final answer
x = 3,865,283.55
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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.