Finding the Fourth Proportional to 4,280,418.99, 5,906,976.78 and 2,346,638.10
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Solution
The fourth proportional to 4,280,418.99, 5,906,976.78 and 2,346,638.10 is: 3,238,359.80
Step by Step Solution
- Step 1: Write the proportion equation
4,280,418.99 : 5,906,976.78 = 2,346,638.10 : x - Step 2: Convert to fraction form
4,280,418.99/5,906,976.78 = 2,346,638.10/x - Step 3: Cross multiply
4,280,418.99x = 5,906,976.78 × 2,346,638.10 - Step 4: Simplify right side
4,280,418.99x = 13,861,536,767,763.32 - Step 5: Solve for x
x = 13,861,536,767,763.32/4,280,418.99 - Step 6: Final answer
x = 3,238,359.80
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1.5x scale
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.