Finding the Fourth Proportional to 5,456,053.20, 8,184,920.70 and 1,860,980.24
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Solution
The fourth proportional to 5,456,053.20, 8,184,920.70 and 1,860,980.24 is: 2,791,757.18
Step by Step Solution
- Step 1: Write the proportion equation
5,456,053.20 : 8,184,920.70 = 1,860,980.24 : x - Step 2: Convert to fraction form
5,456,053.20/8,184,920.70 = 1,860,980.24/x - Step 3: Cross multiply
5,456,053.20x = 8,184,920.70 × 1,860,980.24 - Step 4: Simplify right side
5,456,053.20x = 15,231,975,688,666.97 - Step 5: Solve for x
x = 15,231,975,688,666.97/5,456,053.20 - Step 6: Final answer
x = 2,791,757.18
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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.