Finding the Fourth Proportional to 4,473,228.70, 6,709,843.05 and 1,107,435.70
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Solution
The fourth proportional to 4,473,228.70, 6,709,843.05 and 1,107,435.70 is: 1,661,153.55
Step by Step Solution
- Step 1: Write the proportion equation
4,473,228.70 : 6,709,843.05 = 1,107,435.70 : x - Step 2: Convert to fraction form
4,473,228.70/6,709,843.05 = 1,107,435.70/x - Step 3: Cross multiply
4,473,228.70x = 6,709,843.05 × 1,107,435.70 - Step 4: Simplify right side
4,473,228.70x = 7,430,719,734,966.89 - Step 5: Solve for x
x = 7,430,719,734,966.89/4,473,228.70 - Step 6: Final answer
x = 1,661,153.55
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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.