Finding the Fourth Proportional to 5,103,699.60, 7,043,101.57 and 2,811,860.29
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Solution
The fourth proportional to 5,103,699.60, 7,043,101.57 and 2,811,860.29 is: 3,880,365.05
Step by Step Solution
- Step 1: Write the proportion equation
5,103,699.60 : 7,043,101.57 = 2,811,860.29 : x - Step 2: Convert to fraction form
5,103,699.60/7,043,101.57 = 2,811,860.29/x - Step 3: Cross multiply
5,103,699.60x = 7,043,101.57 × 2,811,860.29 - Step 4: Simplify right side
5,103,699.60x = 19,804,217,573,844.85 - Step 5: Solve for x
x = 19,804,217,573,844.85/5,103,699.60 - Step 6: Final answer
x = 3,880,365.05
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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.