Finding the Fourth Proportional to 1,711,889.52, 2,362,407.36 and 947,943.18
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Solution
The fourth proportional to 1,711,889.52, 2,362,407.36 and 947,943.18 is: 1,308,161.49
Step by Step Solution
- Step 1: Write the proportion equation
1,711,889.52 : 2,362,407.36 = 947,943.18 : x - Step 2: Convert to fraction form
1,711,889.52/2,362,407.36 = 947,943.18/x - Step 3: Cross multiply
1,711,889.52x = 2,362,407.36 × 947,943.18 - Step 4: Simplify right side
1,711,889.52x = 2,239,427,945,293.80 - Step 5: Solve for x
x = 2,239,427,945,293.80/1,711,889.52 - Step 6: Final answer
x = 1,308,161.49
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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.