Finding the Fourth Proportional to 4,685,762.48, 6,466,304.41 and 2,620,773.12
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Solution
The fourth proportional to 4,685,762.48, 6,466,304.41 and 2,620,773.12 is: 3,616,640.16
Step by Step Solution
- Step 1: Write the proportion equation
4,685,762.48 : 6,466,304.41 = 2,620,773.12 : x - Step 2: Convert to fraction form
4,685,762.48/6,466,304.41 = 2,620,773.12/x - Step 3: Cross multiply
4,685,762.48x = 6,466,304.41 × 2,620,773.12 - Step 4: Simplify right side
4,685,762.48x = 16,946,716,767,299.70 - Step 5: Solve for x
x = 16,946,716,767,299.70/4,685,762.48 - Step 6: Final answer
x = 3,616,640.16
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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.