Finding the Fourth Proportional to 5,481,564.03, 7,564,387.91 and 3,158,460.95
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Solution
The fourth proportional to 5,481,564.03, 7,564,387.91 and 3,158,460.95 is: 4,358,577.89
Step by Step Solution
- Step 1: Write the proportion equation
5,481,564.03 : 7,564,387.91 = 3,158,460.95 : x - Step 2: Convert to fraction form
5,481,564.03/7,564,387.91 = 3,158,460.95/x - Step 3: Cross multiply
5,481,564.03x = 7,564,387.91 × 3,158,460.95 - Step 4: Simplify right side
5,481,564.03x = 23,891,823,770,772.87 - Step 5: Solve for x
x = 23,891,823,770,772.87/5,481,564.03 - Step 6: Final answer
x = 4,358,577.89
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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.