Finding the Fourth Proportional to 4,756,911.62, 6,564,542.25 and 2,581,454.78
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Solution
The fourth proportional to 4,756,911.62, 6,564,542.25 and 2,581,454.78 is: 3,562,409.88
Step by Step Solution
- Step 1: Write the proportion equation
4,756,911.62 : 6,564,542.25 = 2,581,454.78 : x - Step 2: Convert to fraction form
4,756,911.62/6,564,542.25 = 2,581,454.78/x - Step 3: Cross multiply
4,756,911.62x = 6,564,542.25 × 2,581,454.78 - Step 4: Simplify right side
4,756,911.62x = 16,946,068,969,774.45 - Step 5: Solve for x
x = 16,946,068,969,774.45/4,756,911.62 - Step 6: Final answer
x = 3,562,409.88
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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.