Finding the Fourth Proportional to 5,486,487.40, 8,228,407.56 and 2,289,880.72
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Solution
The fourth proportional to 5,486,487.40, 8,228,407.56 and 2,289,880.72 is: 3,434,268.68
Step by Step Solution
- Step 1: Write the proportion equation
5,486,487.40 : 8,228,407.56 = 2,289,880.72 : x - Step 2: Convert to fraction form
5,486,487.40/8,228,407.56 = 2,289,880.72/x - Step 3: Cross multiply
5,486,487.40x = 8,228,407.56 × 2,289,880.72 - Step 4: Simplify right side
5,486,487.40x = 18,842,071,827,946.24 - Step 5: Solve for x
x = 18,842,071,827,946.24/5,486,487.40 - Step 6: Final answer
x = 3,434,268.68
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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.