Finding the Fourth Proportional to 5,984,276.80, 8,976,415.20 and 1,940,756.80
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Solution
The fourth proportional to 5,984,276.80, 8,976,415.20 and 1,940,756.80 is: 2,911,135.20
Step by Step Solution
- Step 1: Write the proportion equation
5,984,276.80 : 8,976,415.20 = 1,940,756.80 : x - Step 2: Convert to fraction form
5,984,276.80/8,976,415.20 = 1,940,756.80/x - Step 3: Cross multiply
5,984,276.80x = 8,976,415.20 × 1,940,756.80 - Step 4: Simplify right side
5,984,276.80x = 17,421,038,839,023.36 - Step 5: Solve for x
x = 17,421,038,839,023.36/5,984,276.80 - Step 6: Final answer
x = 2,911,135.20
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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.