Finding the Fourth Proportional to 5,743,628.19, 7,926,060.85 and 3,130,199.49
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Solution
The fourth proportional to 5,743,628.19, 7,926,060.85 and 3,130,199.49 is: 4,319,595.70
Step by Step Solution
- Step 1: Write the proportion equation
5,743,628.19 : 7,926,060.85 = 3,130,199.49 : x - Step 2: Convert to fraction form
5,743,628.19/7,926,060.85 = 3,130,199.49/x - Step 3: Cross multiply
5,743,628.19x = 7,926,060.85 × 3,130,199.49 - Step 4: Simplify right side
5,743,628.19x = 24,810,151,625,299.48 - Step 5: Solve for x
x = 24,810,151,625,299.48/5,743,628.19 - Step 6: Final answer
x = 4,319,595.70
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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.