Finding the Fourth Proportional to 4,387,539.20, 6,576,393.60 and 2,495,187.20
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Solution
The fourth proportional to 4,387,539.20, 6,576,393.60 and 2,495,187.20 is: 3,739,985.53
Step by Step Solution
- Step 1: Write the proportion equation
4,387,539.20 : 6,576,393.60 = 2,495,187.20 : x - Step 2: Convert to fraction form
4,387,539.20/6,576,393.60 = 2,495,187.20/x - Step 3: Cross multiply
4,387,539.20x = 6,576,393.60 × 2,495,187.20 - Step 4: Simplify right side
4,387,539.20x = 16,409,333,132,881.92 - Step 5: Solve for x
x = 16,409,333,132,881.92/4,387,539.20 - Step 6: Final answer
x = 3,739,985.53
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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.