Finding the Fourth Proportional to 6,449,593.35, 8,900,170.03 and 3,509,421.99
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Solution
The fourth proportional to 6,449,593.35, 8,900,170.03 and 3,509,421.99 is: 4,842,856.09
Step by Step Solution
- Step 1: Write the proportion equation
6,449,593.35 : 8,900,170.03 = 3,509,421.99 : x - Step 2: Convert to fraction form
6,449,593.35/8,900,170.03 = 3,509,421.99/x - Step 3: Cross multiply
6,449,593.35x = 8,900,170.03 × 3,509,421.99 - Step 4: Simplify right side
6,449,593.35x = 31,234,452,423,934.07 - Step 5: Solve for x
x = 31,234,452,423,934.07/6,449,593.35 - Step 6: Final answer
x = 4,842,856.09
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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.