Finding the Fourth Proportional to 2,121,534.84, 3,177,236.95 and 1,221,083.85
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Solution
The fourth proportional to 2,121,534.84, 3,177,236.95 and 1,221,083.85 is: 1,828,710.35
Step by Step Solution
- Step 1: Write the proportion equation
2,121,534.84 : 3,177,236.95 = 1,221,083.85 : x - Step 2: Convert to fraction form
2,121,534.84/3,177,236.95 = 1,221,083.85/x - Step 3: Cross multiply
2,121,534.84x = 3,177,236.95 × 1,221,083.85 - Step 4: Simplify right side
2,121,534.84x = 3,879,672,727,268.26 - Step 5: Solve for x
x = 3,879,672,727,268.26/2,121,534.84 - Step 6: Final answer
x = 1,828,710.35
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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.