Finding the Fourth Proportional to 4,911,885.43, 7,368,615.47 and 2,072,415.85
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Solution
The fourth proportional to 4,911,885.43, 7,368,615.47 and 2,072,415.85 is: 3,108,955.96
Step by Step Solution
- Step 1: Write the proportion equation
4,911,885.43 : 7,368,615.47 = 2,072,415.85 : x - Step 2: Convert to fraction form
4,911,885.43/7,368,615.47 = 2,072,415.85/x - Step 3: Cross multiply
4,911,885.43x = 7,368,615.47 × 2,072,415.85 - Step 4: Simplify right side
4,911,885.43x = 15,270,835,492,583.20 - Step 5: Solve for x
x = 15,270,835,492,583.20/4,911,885.43 - Step 6: Final answer
x = 3,108,955.96
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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.