Finding the Fourth Proportional to 3,564,621.20, 5,346,931.80 and 3,398,733.20
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Solution
The fourth proportional to 3,564,621.20, 5,346,931.80 and 3,398,733.20 is: 5,098,099.80
Step by Step Solution
- Step 1: Write the proportion equation
3,564,621.20 : 5,346,931.80 = 3,398,733.20 : x - Step 2: Convert to fraction form
3,564,621.20/5,346,931.80 = 3,398,733.20/x - Step 3: Cross multiply
3,564,621.20x = 5,346,931.80 × 3,398,733.20 - Step 4: Simplify right side
3,564,621.20x = 18,172,794,626,795.76 - Step 5: Solve for x
x = 18,172,794,626,795.76/3,564,621.20 - Step 6: Final answer
x = 5,098,099.80
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1.5x scale
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.