Finding the Fourth Proportional to 1,655,721.12, 2,483,512.48 and 473,769.12
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Solution
The fourth proportional to 1,655,721.12, 2,483,512.48 and 473,769.12 is: 710,633.88
Step by Step Solution
- Step 1: Write the proportion equation
1,655,721.12 : 2,483,512.48 = 473,769.12 : x - Step 2: Convert to fraction form
1,655,721.12/2,483,512.48 = 473,769.12/x - Step 3: Cross multiply
1,655,721.12x = 2,483,512.48 × 473,769.12 - Step 4: Simplify right side
1,655,721.12x = 1,176,611,522,158.62 - Step 5: Solve for x
x = 1,176,611,522,158.62/1,655,721.12 - Step 6: Final answer
x = 710,633.88
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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.