Finding the Fourth Proportional to 2,993,986.24, 4,131,652.80 and 1,635,830.08
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Solution
The fourth proportional to 2,993,986.24, 4,131,652.80 and 1,635,830.08 is: 2,257,419.17
Step by Step Solution
- Step 1: Write the proportion equation
2,993,986.24 : 4,131,652.80 = 1,635,830.08 : x - Step 2: Convert to fraction form
2,993,986.24/4,131,652.80 = 1,635,830.08/x - Step 3: Cross multiply
2,993,986.24x = 4,131,652.80 × 1,635,830.08 - Step 4: Simplify right side
2,993,986.24x = 6,758,681,930,356.22 - Step 5: Solve for x
x = 6,758,681,930,356.22/2,993,986.24 - Step 6: Final answer
x = 2,257,419.17
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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.