Finding the Fourth Proportional to 1,577,894.80, 2,366,842.20 and 1,325,952.40
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Solution
The fourth proportional to 1,577,894.80, 2,366,842.20 and 1,325,952.40 is: 1,988,928.60
Step by Step Solution
- Step 1: Write the proportion equation
1,577,894.80 : 2,366,842.20 = 1,325,952.40 : x - Step 2: Convert to fraction form
1,577,894.80/2,366,842.20 = 1,325,952.40/x - Step 3: Cross multiply
1,577,894.80x = 2,366,842.20 × 1,325,952.40 - Step 4: Simplify right side
1,577,894.80x = 3,138,320,095,511.28 - Step 5: Solve for x
x = 3,138,320,095,511.28/1,577,894.80 - Step 6: Final answer
x = 1,988,928.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.