Finding the Fourth Proportional to 1,959,243.57, 2,703,511.26 and 1,087,959.78
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Solution
The fourth proportional to 1,959,243.57, 2,703,511.26 and 1,087,959.78 is: 1,501,248.52
Step by Step Solution
- Step 1: Write the proportion equation
1,959,243.57 : 2,703,511.26 = 1,087,959.78 : x - Step 2: Convert to fraction form
1,959,243.57/2,703,511.26 = 1,087,959.78/x - Step 3: Cross multiply
1,959,243.57x = 2,703,511.26 × 1,087,959.78 - Step 4: Simplify right side
1,959,243.57x = 2,941,311,515,657.12 - Step 5: Solve for x
x = 2,941,311,515,657.12/1,959,243.57 - Step 6: Final answer
x = 1,501,248.52
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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.