Finding the Fourth Proportional to 5,172,610.08, 7,138,423.44 and 2,880,770.76
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Solution
The fourth proportional to 5,172,610.08, 7,138,423.44 and 2,880,770.76 is: 3,975,587.02
Step by Step Solution
- Step 1: Write the proportion equation
5,172,610.08 : 7,138,423.44 = 2,880,770.76 : x - Step 2: Convert to fraction form
5,172,610.08/7,138,423.44 = 2,880,770.76/x - Step 3: Cross multiply
5,172,610.08x = 7,138,423.44 × 2,880,770.76 - Step 4: Simplify right side
5,172,610.08x = 20,564,161,518,450.61 - Step 5: Solve for x
x = 20,564,161,518,450.61/5,172,610.08 - Step 6: Final answer
x = 3,975,587.02
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1.5x scale
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.