Finding the Fourth Proportional to 2,173,254.99, 2,998,941.84 and 1,206,309.15
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Solution
The fourth proportional to 2,173,254.99, 2,998,941.84 and 1,206,309.15 is: 1,664,623.34
Step by Step Solution
- Step 1: Write the proportion equation
2,173,254.99 : 2,998,941.84 = 1,206,309.15 : x - Step 2: Convert to fraction form
2,173,254.99/2,998,941.84 = 1,206,309.15/x - Step 3: Cross multiply
2,173,254.99x = 2,998,941.84 × 1,206,309.15 - Step 4: Simplify right side
2,173,254.99x = 3,617,650,981,909.84 - Step 5: Solve for x
x = 3,617,650,981,909.84/2,173,254.99 - Step 6: Final answer
x = 1,664,623.34
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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.