Finding the Fourth Proportional to 4,138,019.80, 6,207,029.70 and 1,146,203.80
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Solution
The fourth proportional to 4,138,019.80, 6,207,029.70 and 1,146,203.80 is: 1,719,305.70
Step by Step Solution
- Step 1: Write the proportion equation
4,138,019.80 : 6,207,029.70 = 1,146,203.80 : x - Step 2: Convert to fraction form
4,138,019.80/6,207,029.70 = 1,146,203.80/x - Step 3: Cross multiply
4,138,019.80x = 6,207,029.70 × 1,146,203.80 - Step 4: Simplify right side
4,138,019.80x = 7,114,521,028,852.86 - Step 5: Solve for x
x = 7,114,521,028,852.86/4,138,019.80 - Step 6: Final answer
x = 1,719,305.70
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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.