Finding the Fourth Proportional to 1,959,387.12, 2,703,943.60 and 1,099,947.14
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Solution
The fourth proportional to 1,959,387.12, 2,703,943.60 and 1,099,947.14 is: 1,517,921.09
Step by Step Solution
- Step 1: Write the proportion equation
1,959,387.12 : 2,703,943.60 = 1,099,947.14 : x - Step 2: Convert to fraction form
1,959,387.12/2,703,943.60 = 1,099,947.14/x - Step 3: Cross multiply
1,959,387.12x = 2,703,943.60 × 1,099,947.14 - Step 4: Simplify right side
1,959,387.12x = 2,974,195,029,541.30 - Step 5: Solve for x
x = 2,974,195,029,541.30/1,959,387.12 - Step 6: Final answer
x = 1,517,921.09
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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.