Finding the Fourth Proportional to 1,959,432.18, 2,703,992.66 and 1,099,970.34
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Solution
The fourth proportional to 1,959,432.18, 2,703,992.66 and 1,099,970.34 is: 1,517,945.74
Step by Step Solution
- Step 1: Write the proportion equation
1,959,432.18 : 2,703,992.66 = 1,099,970.34 : x - Step 2: Convert to fraction form
1,959,432.18/2,703,992.66 = 1,099,970.34/x - Step 3: Cross multiply
1,959,432.18x = 2,703,992.66 × 1,099,970.34 - Step 4: Simplify right side
1,959,432.18x = 2,974,311,725,577.70 - Step 5: Solve for x
x = 2,974,311,725,577.70/1,959,432.18 - Step 6: Final answer
x = 1,517,945.74
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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.