Finding the Fourth Proportional to 5,064,607.61, 6,989,824.09 and 2,888,651.96
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Solution
The fourth proportional to 5,064,607.61, 6,989,824.09 and 2,888,651.96 is: 3,986,719.33
Step by Step Solution
- Step 1: Write the proportion equation
5,064,607.61 : 6,989,824.09 = 2,888,651.96 : x - Step 2: Convert to fraction form
5,064,607.61/6,989,824.09 = 2,888,651.96/x - Step 3: Cross multiply
5,064,607.61x = 6,989,824.09 × 2,888,651.96 - Step 4: Simplify right side
5,064,607.61x = 20,191,169,057,633.71 - Step 5: Solve for x
x = 20,191,169,057,633.71/5,064,607.61 - Step 6: Final answer
x = 3,986,719.33
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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.