Finding the Fourth Proportional to 3,539,570.49, 4,884,981.84 and 2,163,719.66
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Solution
The fourth proportional to 3,539,570.49, 4,884,981.84 and 2,163,719.66 is: 2,986,162.09
Step by Step Solution
- Step 1: Write the proportion equation
3,539,570.49 : 4,884,981.84 = 2,163,719.66 : x - Step 2: Convert to fraction form
3,539,570.49/4,884,981.84 = 2,163,719.66/x - Step 3: Cross multiply
3,539,570.49x = 4,884,981.84 × 2,163,719.66 - Step 4: Simplify right side
3,539,570.49x = 10,569,731,221,526.06 - Step 5: Solve for x
x = 10,569,731,221,526.06/3,539,570.49 - Step 6: Final answer
x = 2,986,162.09
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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.