Finding the Fourth Proportional to 3,658,788.72, 5,493,210.49 and 1,862,878.99
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Solution
The fourth proportional to 3,658,788.72, 5,493,210.49 and 1,862,878.99 is: 2,796,878.20
Step by Step Solution
- Step 1: Write the proportion equation
3,658,788.72 : 5,493,210.49 = 1,862,878.99 : x - Step 2: Convert to fraction form
3,658,788.72/5,493,210.49 = 1,862,878.99/x - Step 3: Cross multiply
3,658,788.72x = 5,493,210.49 × 1,862,878.99 - Step 4: Simplify right side
3,658,788.72x = 10,233,186,409,468.61 - Step 5: Solve for x
x = 10,233,186,409,468.61/3,658,788.72 - Step 6: Final answer
x = 2,796,878.20
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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.