Finding the Fourth Proportional to 3,160,237.53, 4,361,096.79 and 1,709,901.15
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Solution
The fourth proportional to 3,160,237.53, 4,361,096.79 and 1,709,901.15 is: 2,359,646.81
Step by Step Solution
- Step 1: Write the proportion equation
3,160,237.53 : 4,361,096.79 = 1,709,901.15 : x - Step 2: Convert to fraction form
3,160,237.53/4,361,096.79 = 1,709,901.15/x - Step 3: Cross multiply
3,160,237.53x = 4,361,096.79 × 1,709,901.15 - Step 4: Simplify right side
3,160,237.53x = 7,457,044,416,482.31 - Step 5: Solve for x
x = 7,457,044,416,482.31/3,160,237.53 - Step 6: Final answer
x = 2,359,646.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.