Finding the Fourth Proportional to 3,748,343.45, 5,621,351.67 and 1,351,876.70
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Solution
The fourth proportional to 3,748,343.45, 5,621,351.67 and 1,351,876.70 is: 2,027,395.43
Step by Step Solution
- Step 1: Write the proportion equation
3,748,343.45 : 5,621,351.67 = 1,351,876.70 : x - Step 2: Convert to fraction form
3,748,343.45/5,621,351.67 = 1,351,876.70/x - Step 3: Cross multiply
3,748,343.45x = 5,621,351.67 × 1,351,876.70 - Step 4: Simplify right side
3,748,343.45x = 7,599,374,359,232.47 - Step 5: Solve for x
x = 7,599,374,359,232.47/3,748,343.45 - Step 6: Final answer
x = 2,027,395.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.