Finding the Fourth Proportional to 4,798,128.02, 7,199,191.66 and 2,104,386.62
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Solution
The fourth proportional to 4,798,128.02, 7,199,191.66 and 2,104,386.62 is: 3,157,456.94
Step by Step Solution
- Step 1: Write the proportion equation
4,798,128.02 : 7,199,191.66 = 2,104,386.62 : x - Step 2: Convert to fraction form
4,798,128.02/7,199,191.66 = 2,104,386.62/x - Step 3: Cross multiply
4,798,128.02x = 7,199,191.66 × 2,104,386.62 - Step 4: Simplify right side
4,798,128.02x = 15,149,882,604,119.59 - Step 5: Solve for x
x = 15,149,882,604,119.59/4,798,128.02 - Step 6: Final answer
x = 3,157,456.94
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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.