Finding the Fourth Proportional to 3,774,471.84, 5,208,918.59 and 2,143,030.99
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Solution
The fourth proportional to 3,774,471.84, 5,208,918.59 and 2,143,030.99 is: 2,957,466.48
Step by Step Solution
- Step 1: Write the proportion equation
3,774,471.84 : 5,208,918.59 = 2,143,030.99 : x - Step 2: Convert to fraction form
3,774,471.84/5,208,918.59 = 2,143,030.99/x - Step 3: Cross multiply
3,774,471.84x = 5,208,918.59 × 2,143,030.99 - Step 4: Simplify right side
3,774,471.84x = 11,162,873,962,757.11 - Step 5: Solve for x
x = 11,162,873,962,757.11/3,774,471.84 - Step 6: Final answer
x = 2,957,466.48
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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.