Finding the Fourth Proportional to 4,155,528.20, 6,233,486.70 and 1,315,862.60
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Solution
The fourth proportional to 4,155,528.20, 6,233,486.70 and 1,315,862.60 is: 1,973,855.46
Step by Step Solution
- Step 1: Write the proportion equation
4,155,528.20 : 6,233,486.70 = 1,315,862.60 : x - Step 2: Convert to fraction form
4,155,528.20/6,233,486.70 = 1,315,862.60/x - Step 3: Cross multiply
4,155,528.20x = 6,233,486.70 × 1,315,862.60 - Step 4: Simplify right side
4,155,528.20x = 8,202,412,016,127.42 - Step 5: Solve for x
x = 8,202,412,016,127.42/4,155,528.20 - Step 6: Final answer
x = 1,973,855.46
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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.