Finding the Fourth Proportional to 4,948,203.07, 7,419,975.35 and 1,916,988.27
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Solution
The fourth proportional to 4,948,203.07, 7,419,975.35 and 1,916,988.27 is: 2,874,580.03
Step by Step Solution
- Step 1: Write the proportion equation
4,948,203.07 : 7,419,975.35 = 1,916,988.27 : x - Step 2: Convert to fraction form
4,948,203.07/7,419,975.35 = 1,916,988.27/x - Step 3: Cross multiply
4,948,203.07x = 7,419,975.35 × 1,916,988.27 - Step 4: Simplify right side
4,948,203.07x = 14,224,005,709,639.14 - Step 5: Solve for x
x = 14,224,005,709,639.14/4,948,203.07 - Step 6: Final answer
x = 2,874,580.03
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1.5x scale
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.