Finding the Fourth Proportional to 4,990,494.80, 7,485,673.08 and 1,203,945.68
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Solution
The fourth proportional to 4,990,494.80, 7,485,673.08 and 1,203,945.68 is: 1,805,901.84
Step by Step Solution
- Step 1: Write the proportion equation
4,990,494.80 : 7,485,673.08 = 1,203,945.68 : x - Step 2: Convert to fraction form
4,990,494.80/7,485,673.08 = 1,203,945.68/x - Step 3: Cross multiply
4,990,494.80x = 7,485,673.08 × 1,203,945.68 - Step 4: Simplify right side
4,990,494.80x = 9,012,343,766,558.30 - Step 5: Solve for x
x = 9,012,343,766,558.30/4,990,494.80 - Step 6: Final answer
x = 1,805,901.84
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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.