Finding the Fourth Proportional to 2,119,521.44, 2,924,911.97 and 1,152,630.92
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Solution
The fourth proportional to 2,119,521.44, 2,924,911.97 and 1,152,630.92 is: 1,590,615.65
Step by Step Solution
- Step 1: Write the proportion equation
2,119,521.44 : 2,924,911.97 = 1,152,630.92 : x - Step 2: Convert to fraction form
2,119,521.44/2,924,911.97 = 1,152,630.92/x - Step 3: Cross multiply
2,119,521.44x = 2,924,911.97 × 1,152,630.92 - Step 4: Simplify right side
2,119,521.44x = 3,371,343,974,900.11 - Step 5: Solve for x
x = 3,371,343,974,900.11/2,119,521.44 - Step 6: Final answer
x = 1,590,615.65
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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.