Finding the Fourth Proportional to 1,711,861.49, 2,362,339.69 and 947,898.65
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Solution
The fourth proportional to 1,711,861.49, 2,362,339.69 and 947,898.65 is: 1,308,083.99
Step by Step Solution
- Step 1: Write the proportion equation
1,711,861.49 : 2,362,339.69 = 947,898.65 : x - Step 2: Convert to fraction form
1,711,861.49/2,362,339.69 = 947,898.65/x - Step 3: Cross multiply
1,711,861.49x = 2,362,339.69 × 947,898.65 - Step 4: Simplify right side
1,711,861.49x = 2,239,258,606,528.52 - Step 5: Solve for x
x = 2,239,258,606,528.52/1,711,861.49 - Step 6: Final answer
x = 1,308,083.99
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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.