Finding the Fourth Proportional to 5,621,039.84, 7,756,583.14 and 3,174,246.12
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Solution
The fourth proportional to 5,621,039.84, 7,756,583.14 and 3,174,246.12 is: 4,380,204.49
Step by Step Solution
- Step 1: Write the proportion equation
5,621,039.84 : 7,756,583.14 = 3,174,246.12 : x - Step 2: Convert to fraction form
5,621,039.84/7,756,583.14 = 3,174,246.12/x - Step 3: Cross multiply
5,621,039.84x = 7,756,583.14 × 3,174,246.12 - Step 4: Simplify right side
5,621,039.84x = 24,621,303,936,602.42 - Step 5: Solve for x
x = 24,621,303,936,602.42/5,621,039.84 - Step 6: Final answer
x = 4,380,204.49
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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.