Finding the Fourth Proportional to 3,711,276.72, 5,121,474.96 and 2,183,482.08
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Solution
The fourth proportional to 3,711,276.72, 5,121,474.96 and 2,183,482.08 is: 3,013,154.14
Step by Step Solution
- Step 1: Write the proportion equation
3,711,276.72 : 5,121,474.96 = 2,183,482.08 : x - Step 2: Convert to fraction form
3,711,276.72/5,121,474.96 = 2,183,482.08/x - Step 3: Cross multiply
3,711,276.72x = 5,121,474.96 × 2,183,482.08 - Step 4: Simplify right side
3,711,276.72x = 11,182,648,798,328.72 - Step 5: Solve for x
x = 11,182,648,798,328.72/3,711,276.72 - Step 6: Final answer
x = 3,013,154.14
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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.