Finding the Fourth Proportional to 6,513,416.20, 9,768,374.70 and 2,726,115.40
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Solution
The fourth proportional to 6,513,416.20, 9,768,374.70 and 2,726,115.40 is: 4,088,440.83
Step by Step Solution
- Step 1: Write the proportion equation
6,513,416.20 : 9,768,374.70 = 2,726,115.40 : x - Step 2: Convert to fraction form
6,513,416.20/9,768,374.70 = 2,726,115.40/x - Step 3: Cross multiply
6,513,416.20x = 9,768,374.70 × 2,726,115.40 - Step 4: Simplify right side
6,513,416.20x = 26,629,716,702,640.38 - Step 5: Solve for x
x = 26,629,716,702,640.38/6,513,416.20 - Step 6: Final answer
x = 4,088,440.83
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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.