Finding the Fourth Proportional to 4,291,980.62, 6,438,968.03 and 1,259,223.98
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Solution
The fourth proportional to 4,291,980.62, 6,438,968.03 and 1,259,223.98 is: 1,889,128.50
Step by Step Solution
- Step 1: Write the proportion equation
4,291,980.62 : 6,438,968.03 = 1,259,223.98 : x - Step 2: Convert to fraction form
4,291,980.62/6,438,968.03 = 1,259,223.98/x - Step 3: Cross multiply
4,291,980.62x = 6,438,968.03 × 1,259,223.98 - Step 4: Simplify right side
4,291,980.62x = 8,108,102,920,782.58 - Step 5: Solve for x
x = 8,108,102,920,782.58/4,291,980.62 - Step 6: Final answer
x = 1,889,128.50
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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.