Finding the Fourth Proportional to 2,586,328.84, 3,879,490.86 and 1,219,783.70
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Solution
The fourth proportional to 2,586,328.84, 3,879,490.86 and 1,219,783.70 is: 1,829,674.42
Step by Step Solution
- Step 1: Write the proportion equation
2,586,328.84 : 3,879,490.86 = 1,219,783.70 : x - Step 2: Convert to fraction form
2,586,328.84/3,879,490.86 = 1,219,783.70/x - Step 3: Cross multiply
2,586,328.84x = 3,879,490.86 × 1,219,783.70 - Step 4: Simplify right side
2,586,328.84x = 4,732,139,715,326.98 - Step 5: Solve for x
x = 4,732,139,715,326.98/2,586,328.84 - Step 6: Final answer
x = 1,829,674.42
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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.