Finding the Fourth Proportional to 2,078,448.65, 3,117,635.99 and 658,467.81
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Solution
The fourth proportional to 2,078,448.65, 3,117,635.99 and 658,467.81 is: 987,690.00
Step by Step Solution
- Step 1: Write the proportion equation
2,078,448.65 : 3,117,635.99 = 658,467.81 : x - Step 2: Convert to fraction form
2,078,448.65/3,117,635.99 = 658,467.81/x - Step 3: Cross multiply
2,078,448.65x = 3,117,635.99 × 658,467.81 - Step 4: Simplify right side
2,078,448.65x = 2,052,862,939,420.14 - Step 5: Solve for x
x = 2,052,862,939,420.14/2,078,448.65 - Step 6: Final answer
x = 987,690.00
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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.