Finding the Fourth Proportional to 1,588,639.52, 2,381,619.95 and 689,403.85
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Solution
The fourth proportional to 1,588,639.52, 2,381,619.95 and 689,403.85 is: 1,033,524.56
Step by Step Solution
- Step 1: Write the proportion equation
1,588,639.52 : 2,381,619.95 = 689,403.85 : x - Step 2: Convert to fraction form
1,588,639.52/2,381,619.95 = 689,403.85/x - Step 3: Cross multiply
1,588,639.52x = 2,381,619.95 × 689,403.85 - Step 4: Simplify right side
1,588,639.52x = 1,641,897,955,951.00 - Step 5: Solve for x
x = 1,641,897,955,951.00/1,588,639.52 - Step 6: Final answer
x = 1,033,524.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.