Finding the Fourth Proportional to 4,545,306.12, 6,819,101.25 and 1,306,849.80
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Solution
The fourth proportional to 4,545,306.12, 6,819,101.25 and 1,306,849.80 is: 1,960,603.06
Step by Step Solution
- Step 1: Write the proportion equation
4,545,306.12 : 6,819,101.25 = 1,306,849.80 : x - Step 2: Convert to fraction form
4,545,306.12/6,819,101.25 = 1,306,849.80/x - Step 3: Cross multiply
4,545,306.12x = 6,819,101.25 × 1,306,849.80 - Step 4: Simplify right side
4,545,306.12x = 8,911,541,104,742.25 - Step 5: Solve for x
x = 8,911,541,104,742.25/4,545,306.12 - Step 6: Final answer
x = 1,960,603.06
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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.