Finding the Fourth Proportional to 6,686,233.20, 10,029,349.80 and 1,637,543.70
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Solution
The fourth proportional to 6,686,233.20, 10,029,349.80 and 1,637,543.70 is: 2,456,315.55
Step by Step Solution
- Step 1: Write the proportion equation
6,686,233.20 : 10,029,349.80 = 1,637,543.70 : x - Step 2: Convert to fraction form
6,686,233.20/10,029,349.80 = 1,637,543.70/x - Step 3: Cross multiply
6,686,233.20x = 10,029,349.80 × 1,637,543.70 - Step 4: Simplify right side
6,686,233.20x = 16,423,498,580,086.26 - Step 5: Solve for x
x = 16,423,498,580,086.26/6,686,233.20 - Step 6: Final answer
x = 2,456,315.55
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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.