Finding the Fourth Proportional to 1,530,392.40, 2,292,964.20 and 997,639.20
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Solution
The fourth proportional to 1,530,392.40, 2,292,964.20 and 997,639.20 is: 1,494,747.99
Step by Step Solution
- Step 1: Write the proportion equation
1,530,392.40 : 2,292,964.20 = 997,639.20 : x - Step 2: Convert to fraction form
1,530,392.40/2,292,964.20 = 997,639.20/x - Step 3: Cross multiply
1,530,392.40x = 2,292,964.20 × 997,639.20 - Step 4: Simplify right side
1,530,392.40x = 2,287,550,970,116.64 - Step 5: Solve for x
x = 2,287,550,970,116.64/1,530,392.40 - Step 6: Final answer
x = 1,494,747.99
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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.