Finding the Fourth Proportional to 1,504,515.05, 2,241,135.48 and 1,423,025.81
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Solution
The fourth proportional to 1,504,515.05, 2,241,135.48 and 1,423,025.81 is: 2,119,748.57
Step by Step Solution
- Step 1: Write the proportion equation
1,504,515.05 : 2,241,135.48 = 1,423,025.81 : x - Step 2: Convert to fraction form
1,504,515.05/2,241,135.48 = 1,423,025.81/x - Step 3: Cross multiply
1,504,515.05x = 2,241,135.48 × 1,423,025.81 - Step 4: Simplify right side
1,504,515.05x = 3,189,193,615,204.71 - Step 5: Solve for x
x = 3,189,193,615,204.71/1,504,515.05 - Step 6: Final answer
x = 2,119,748.57
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.