Finding the Fourth Proportional to 4,086,987.42, 6,130,463.85 and 1,247,089.98
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Solution
The fourth proportional to 4,086,987.42, 6,130,463.85 and 1,247,089.98 is: 1,870,629.70
Step by Step Solution
- Step 1: Write the proportion equation
4,086,987.42 : 6,130,463.85 = 1,247,089.98 : x - Step 2: Convert to fraction form
4,086,987.42/6,130,463.85 = 1,247,089.98/x - Step 3: Cross multiply
4,086,987.42x = 6,130,463.85 × 1,247,089.98 - Step 4: Simplify right side
4,086,987.42x = 7,645,240,040,087.22 - Step 5: Solve for x
x = 7,645,240,040,087.22/4,086,987.42 - Step 6: Final answer
x = 1,870,629.70
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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.