Finding the Fourth Proportional to 3,612,672.80, 5,417,659.11 and 1,452,968.99
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Solution
The fourth proportional to 3,612,672.80, 5,417,659.11 and 1,452,968.99 is: 2,178,910.49
Step by Step Solution
- Step 1: Write the proportion equation
3,612,672.80 : 5,417,659.11 = 1,452,968.99 : x - Step 2: Convert to fraction form
3,612,672.80/5,417,659.11 = 1,452,968.99/x - Step 3: Cross multiply
3,612,672.80x = 5,417,659.11 × 1,452,968.99 - Step 4: Simplify right side
3,612,672.80x = 7,871,690,671,638.13 - Step 5: Solve for x
x = 7,871,690,671,638.13/3,612,672.80 - Step 6: Final answer
x = 2,178,910.49
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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.