Finding the Fourth Proportional to 3,226,656.36, 4,839,985.98 and 1,331,314.60
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Solution
The fourth proportional to 3,226,656.36, 4,839,985.98 and 1,331,314.60 is: 1,996,972.49
Step by Step Solution
- Step 1: Write the proportion equation
3,226,656.36 : 4,839,985.98 = 1,331,314.60 : x - Step 2: Convert to fraction form
3,226,656.36/4,839,985.98 = 1,331,314.60/x - Step 3: Cross multiply
3,226,656.36x = 4,839,985.98 × 1,331,314.60 - Step 4: Simplify right side
3,226,656.36x = 6,443,543,998,969.31 - Step 5: Solve for x
x = 6,443,543,998,969.31/3,226,656.36 - Step 6: Final answer
x = 1,996,972.49
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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.