Finding the Fourth Proportional to 1,786,239.68, 2,464,401.12 and 1,106,928.32
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Solution
The fourth proportional to 1,786,239.68, 2,464,401.12 and 1,106,928.32 is: 1,527,183.29
Step by Step Solution
- Step 1: Write the proportion equation
1,786,239.68 : 2,464,401.12 = 1,106,928.32 : x - Step 2: Convert to fraction form
1,786,239.68/2,464,401.12 = 1,106,928.32/x - Step 3: Cross multiply
1,786,239.68x = 2,464,401.12 × 1,106,928.32 - Step 4: Simplify right side
1,786,239.68x = 2,727,915,391,567.72 - Step 5: Solve for x
x = 2,727,915,391,567.72/1,786,239.68 - Step 6: Final answer
x = 1,527,183.29
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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.