Finding the Fourth Proportional to 6,208,780.80, 9,307,630.80 and 2,421,382.80
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Solution
The fourth proportional to 6,208,780.80, 9,307,630.80 and 2,421,382.80 is: 3,629,913.48
Step by Step Solution
- Step 1: Write the proportion equation
6,208,780.80 : 9,307,630.80 = 2,421,382.80 : x - Step 2: Convert to fraction form
6,208,780.80/9,307,630.80 = 2,421,382.80/x - Step 3: Cross multiply
6,208,780.80x = 9,307,630.80 × 2,421,382.80 - Step 4: Simplify right side
6,208,780.80x = 22,537,337,127,870.24 - Step 5: Solve for x
x = 22,537,337,127,870.24/6,208,780.80 - Step 6: Final answer
x = 3,629,913.48
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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.