Finding the Fourth Proportional to 4,329,619.92, 5,974,786.08 and 2,395,879.20
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Solution
The fourth proportional to 4,329,619.92, 5,974,786.08 and 2,395,879.20 is: 3,306,263.82
Step by Step Solution
- Step 1: Write the proportion equation
4,329,619.92 : 5,974,786.08 = 2,395,879.20 : x - Step 2: Convert to fraction form
4,329,619.92/5,974,786.08 = 2,395,879.20/x - Step 3: Cross multiply
4,329,619.92x = 5,974,786.08 × 2,395,879.20 - Step 4: Simplify right side
4,329,619.92x = 14,314,865,693,521.54 - Step 5: Solve for x
x = 14,314,865,693,521.54/4,329,619.92 - Step 6: Final answer
x = 3,306,263.82
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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.