Finding the Fourth Proportional to 2,473,493.76, 3,412,646.64 and 1,385,618.40
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Solution
The fourth proportional to 2,473,493.76, 3,412,646.64 and 1,385,618.40 is: 1,911,719.39
Step by Step Solution
- Step 1: Write the proportion equation
2,473,493.76 : 3,412,646.64 = 1,385,618.40 : x - Step 2: Convert to fraction form
2,473,493.76/3,412,646.64 = 1,385,618.40/x - Step 3: Cross multiply
2,473,493.76x = 3,412,646.64 × 1,385,618.40 - Step 4: Simplify right side
2,473,493.76x = 4,728,625,977,082.18 - Step 5: Solve for x
x = 4,728,625,977,082.18/2,473,493.76 - Step 6: Final answer
x = 1,911,719.39
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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.