Finding the Fourth Proportional to 6,990,545.05, 10,486,191.25 and 2,198,607.99
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Solution
The fourth proportional to 6,990,545.05, 10,486,191.25 and 2,198,607.99 is: 3,298,029.50
Step by Step Solution
- Step 1: Write the proportion equation
6,990,545.05 : 10,486,191.25 = 2,198,607.99 : x - Step 2: Convert to fraction form
6,990,545.05/10,486,191.25 = 2,198,607.99/x - Step 3: Cross multiply
6,990,545.05x = 10,486,191.25 × 2,198,607.99 - Step 4: Simplify right side
6,990,545.05x = 23,055,023,827,594.87 - Step 5: Solve for x
x = 23,055,023,827,594.87/6,990,545.05 - Step 6: Final answer
x = 3,298,029.50
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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.