Finding the Fourth Proportional to 4,254,028.40, 6,381,625.80 and 1,413,844.40
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Solution
The fourth proportional to 4,254,028.40, 6,381,625.80 and 1,413,844.40 is: 2,120,960.43
Step by Step Solution
- Step 1: Write the proportion equation
4,254,028.40 : 6,381,625.80 = 1,413,844.40 : x - Step 2: Convert to fraction form
4,254,028.40/6,381,625.80 = 1,413,844.40/x - Step 3: Cross multiply
4,254,028.40x = 6,381,625.80 × 1,413,844.40 - Step 4: Simplify right side
4,254,028.40x = 9,022,625,900,225.52 - Step 5: Solve for x
x = 9,022,625,900,225.52/4,254,028.40 - Step 6: Final answer
x = 2,120,960.43
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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.