Finding the Fourth Proportional to 3,240,621.40, 4,860,932.10 and 1,110,726.40
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Solution
The fourth proportional to 3,240,621.40, 4,860,932.10 and 1,110,726.40 is: 1,666,089.60
Step by Step Solution
- Step 1: Write the proportion equation
3,240,621.40 : 4,860,932.10 = 1,110,726.40 : x - Step 2: Convert to fraction form
3,240,621.40/4,860,932.10 = 1,110,726.40/x - Step 3: Cross multiply
3,240,621.40x = 4,860,932.10 × 1,110,726.40 - Step 4: Simplify right side
3,240,621.40x = 5,399,165,612,077.44 - Step 5: Solve for x
x = 5,399,165,612,077.44/3,240,621.40 - Step 6: Final answer
x = 1,666,089.60
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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.