Finding the Fourth Proportional to 6,473,806.80, 9,702,934.20 and 2,685,339.60
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Solution
The fourth proportional to 6,473,806.80, 9,702,934.20 and 2,685,339.60 is: 4,024,783.91
Step by Step Solution
- Step 1: Write the proportion equation
6,473,806.80 : 9,702,934.20 = 2,685,339.60 : x - Step 2: Convert to fraction form
6,473,806.80/9,702,934.20 = 2,685,339.60/x - Step 3: Cross multiply
6,473,806.80x = 9,702,934.20 × 2,685,339.60 - Step 4: Simplify right side
6,473,806.80x = 26,055,673,443,454.32 - Step 5: Solve for x
x = 26,055,673,443,454.32/6,473,806.80 - Step 6: Final answer
x = 4,024,783.91
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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.