Finding the Fourth Proportional to 2,658,035.12, 3,668,088.48 and 1,450,811.12
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Solution
The fourth proportional to 2,658,035.12, 3,668,088.48 and 1,450,811.12 is: 2,002,119.35
Step by Step Solution
- Step 1: Write the proportion equation
2,658,035.12 : 3,668,088.48 = 1,450,811.12 : x - Step 2: Convert to fraction form
2,658,035.12/3,668,088.48 = 1,450,811.12/x - Step 3: Cross multiply
2,658,035.12x = 3,668,088.48 × 1,450,811.12 - Step 4: Simplify right side
2,658,035.12x = 5,321,703,555,927.90 - Step 5: Solve for x
x = 5,321,703,555,927.90/2,658,035.12 - Step 6: Final answer
x = 2,002,119.35
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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.