Finding the Fourth Proportional to 3,173,989.58, 4,381,445.98 and 2,142,893.57
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Solution
The fourth proportional to 3,173,989.58, 4,381,445.98 and 2,142,893.57 is: 2,958,098.06
Step by Step Solution
- Step 1: Write the proportion equation
3,173,989.58 : 4,381,445.98 = 2,142,893.57 : x - Step 2: Convert to fraction form
3,173,989.58/4,381,445.98 = 2,142,893.57/x - Step 3: Cross multiply
3,173,989.58x = 4,381,445.98 × 2,142,893.57 - Step 4: Simplify right side
3,173,989.58x = 9,388,972,417,844.35 - Step 5: Solve for x
x = 9,388,972,417,844.35/3,173,989.58 - Step 6: Final answer
x = 2,958,098.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.