Finding the Fourth Proportional to 4,756,941.81, 6,564,583.98 and 2,581,485.12
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Solution
The fourth proportional to 4,756,941.81, 6,564,583.98 and 2,581,485.12 is: 3,562,451.79
Step by Step Solution
- Step 1: Write the proportion equation
4,756,941.81 : 6,564,583.98 = 2,581,485.12 : x - Step 2: Convert to fraction form
4,756,941.81/6,564,583.98 = 2,581,485.12/x - Step 3: Cross multiply
4,756,941.81x = 6,564,583.98 × 2,581,485.12 - Step 4: Simplify right side
4,756,941.81x = 16,946,375,863,360.38 - Step 5: Solve for x
x = 16,946,375,863,360.38/4,756,941.81 - Step 6: Final answer
x = 3,562,451.79
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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.