Finding the Fourth Proportional to 4,967,911.29, 7,448,815.18 and 1,931,738.07
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Solution
The fourth proportional to 4,967,911.29, 7,448,815.18 and 1,931,738.07 is: 2,896,420.45
Step by Step Solution
- Step 1: Write the proportion equation
4,967,911.29 : 7,448,815.18 = 1,931,738.07 : x - Step 2: Convert to fraction form
4,967,911.29/7,448,815.18 = 1,931,738.07/x - Step 3: Cross multiply
4,967,911.29x = 7,448,815.18 × 1,931,738.07 - Step 4: Simplify right side
4,967,911.29x = 14,389,159,859,599.90 - Step 5: Solve for x
x = 14,389,159,859,599.90/4,967,911.29 - Step 6: Final answer
x = 2,896,420.45
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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.