Finding the Fourth Proportional to 5,625,988.64, 8,438,866.30 and 1,366,179.20
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Solution
The fourth proportional to 5,625,988.64, 8,438,866.30 and 1,366,179.20 is: 2,049,240.47
Step by Step Solution
- Step 1: Write the proportion equation
5,625,988.64 : 8,438,866.30 = 1,366,179.20 : x - Step 2: Convert to fraction form
5,625,988.64/8,438,866.30 = 1,366,179.20/x - Step 3: Cross multiply
5,625,988.64x = 8,438,866.30 × 1,366,179.20 - Step 4: Simplify right side
5,625,988.64x = 11,529,003,610,640.96 - Step 5: Solve for x
x = 11,529,003,610,640.96/5,625,988.64 - Step 6: Final answer
x = 2,049,240.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.