Finding the Fourth Proportional to 1,518,809.76, 2,277,089.82 and 919,630.08
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Solution
The fourth proportional to 1,518,809.76, 2,277,089.82 and 919,630.08 is: 1,378,764.05
Step by Step Solution
- Step 1: Write the proportion equation
1,518,809.76 : 2,277,089.82 = 919,630.08 : x - Step 2: Convert to fraction form
1,518,809.76/2,277,089.82 = 919,630.08/x - Step 3: Cross multiply
1,518,809.76x = 2,277,089.82 × 919,630.08 - Step 4: Simplify right side
1,518,809.76x = 2,094,080,293,333.79 - Step 5: Solve for x
x = 2,094,080,293,333.79/1,518,809.76 - Step 6: Final answer
x = 1,378,764.05
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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.