Finding the Fourth Proportional to 3,115,743.30, 4,674,927.15 and 1,696,817.70
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Solution
The fourth proportional to 3,115,743.30, 4,674,927.15 and 1,696,817.70 is: 2,545,941.17
Step by Step Solution
- Step 1: Write the proportion equation
3,115,743.30 : 4,674,927.15 = 1,696,817.70 : x - Step 2: Convert to fraction form
3,115,743.30/4,674,927.15 = 1,696,817.70/x - Step 3: Cross multiply
3,115,743.30x = 4,674,927.15 × 1,696,817.70 - Step 4: Simplify right side
3,115,743.30x = 7,932,499,134,330.56 - Step 5: Solve for x
x = 7,932,499,134,330.56/3,115,743.30 - Step 6: Final answer
x = 2,545,941.17
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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.