Finding the Fourth Proportional to 3,125,194.81, 4,711,216.09 and 2,916,874.09
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Solution
The fourth proportional to 3,125,194.81, 4,711,216.09 and 2,916,874.09 is: 4,397,173.61
Step by Step Solution
- Step 1: Write the proportion equation
3,125,194.81 : 4,711,216.09 = 2,916,874.09 : x - Step 2: Convert to fraction form
3,125,194.81/4,711,216.09 = 2,916,874.09/x - Step 3: Cross multiply
3,125,194.81x = 4,711,216.09 × 2,916,874.09 - Step 4: Simplify right side
3,125,194.81x = 13,742,024,144,727.41 - Step 5: Solve for x
x = 13,742,024,144,727.41/3,125,194.81 - Step 6: Final answer
x = 4,397,173.61
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.