Finding the Fourth Proportional to 3,248,736.19, 4,483,308.80 and 1,778,619.94
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Solution
The fourth proportional to 3,248,736.19, 4,483,308.80 and 1,778,619.94 is: 2,454,524.46
Step by Step Solution
- Step 1: Write the proportion equation
3,248,736.19 : 4,483,308.80 = 1,778,619.94 : x - Step 2: Convert to fraction form
3,248,736.19/4,483,308.80 = 1,778,619.94/x - Step 3: Cross multiply
3,248,736.19x = 4,483,308.80 × 1,778,619.94 - Step 4: Simplify right side
3,248,736.19x = 7,974,102,428,857.47 - Step 5: Solve for x
x = 7,974,102,428,857.47/3,248,736.19 - Step 6: Final answer
x = 2,454,524.46
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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.