Finding the Fourth Proportional to 3,583,021, 4,947,855.12 and 2,276,703.40
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Solution
The fourth proportional to 3,583,021, 4,947,855.12 and 2,276,703.40 is: 3,143,938.75
Step by Step Solution
- Step 1: Write the proportion equation
3,583,021 : 4,947,855.12 = 2,276,703.40 : x - Step 2: Convert to fraction form
3,583,021/4,947,855.12 = 2,276,703.40/x - Step 3: Cross multiply
3,583,021x = 4,947,855.12 × 2,276,703.40 - Step 4: Simplify right side
3,583,021x = 11,264,798,574,411.41 - Step 5: Solve for x
x = 11,264,798,574,411.41/3,583,021 - Step 6: Final answer
x = 3,143,938.75
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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.