Finding the Fourth Proportional to 2,163,252.44, 2,985,662.94 and 1,303,813.68
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Solution
The fourth proportional to 2,163,252.44, 2,985,662.94 and 1,303,813.68 is: 1,799,488.64
Step by Step Solution
- Step 1: Write the proportion equation
2,163,252.44 : 2,985,662.94 = 1,303,813.68 : x - Step 2: Convert to fraction form
2,163,252.44/2,985,662.94 = 1,303,813.68/x - Step 3: Cross multiply
2,163,252.44x = 2,985,662.94 × 1,303,813.68 - Step 4: Simplify right side
2,163,252.44x = 3,892,748,185,041.02 - Step 5: Solve for x
x = 3,892,748,185,041.02/2,163,252.44 - Step 6: Final answer
x = 1,799,488.64
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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.