Finding the Fourth Proportional to 6,415,219.84, 9,621,666.96 and 2,576,887.60
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Solution
The fourth proportional to 6,415,219.84, 9,621,666.96 and 2,576,887.60 is: 3,864,864.32
Step by Step Solution
- Step 1: Write the proportion equation
6,415,219.84 : 9,621,666.96 = 2,576,887.60 : x - Step 2: Convert to fraction form
6,415,219.84/9,621,666.96 = 2,576,887.60/x - Step 3: Cross multiply
6,415,219.84x = 9,621,666.96 × 2,576,887.60 - Step 4: Simplify right side
6,415,219.84x = 24,793,954,280,553.70 - Step 5: Solve for x
x = 24,793,954,280,553.70/6,415,219.84 - Step 6: Final answer
x = 3,864,864.32
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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.