Finding the Fourth Proportional to 4,152,322.20, 6,227,316.90 and 1,313,304.60
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Solution
The fourth proportional to 4,152,322.20, 6,227,316.90 and 1,313,304.60 is: 1,969,587.99
Step by Step Solution
- Step 1: Write the proportion equation
4,152,322.20 : 6,227,316.90 = 1,313,304.60 : x - Step 2: Convert to fraction form
4,152,322.20/6,227,316.90 = 1,313,304.60/x - Step 3: Cross multiply
4,152,322.20x = 6,227,316.90 × 1,313,304.60 - Step 4: Simplify right side
4,152,322.20x = 8,178,363,930,427.74 - Step 5: Solve for x
x = 8,178,363,930,427.74/4,152,322.20 - Step 6: Final answer
x = 1,969,587.99
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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.