Finding the Fourth Proportional to 4,429,351.60, 6,644,027.40 and 4,387,361.20
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Solution
The fourth proportional to 4,429,351.60, 6,644,027.40 and 4,387,361.20 is: 6,581,041.80
Step by Step Solution
- Step 1: Write the proportion equation
4,429,351.60 : 6,644,027.40 = 4,387,361.20 : x - Step 2: Convert to fraction form
4,429,351.60/6,644,027.40 = 4,387,361.20/x - Step 3: Cross multiply
4,429,351.60x = 6,644,027.40 × 4,387,361.20 - Step 4: Simplify right side
4,429,351.60x = 29,149,748,026,496.88 - Step 5: Solve for x
x = 29,149,748,026,496.88/4,429,351.60 - Step 6: Final answer
x = 6,581,041.80
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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.