Finding the Fourth Proportional to 2,643,053.70, 3,964,580.55 and 2,328,125.70
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Solution
The fourth proportional to 2,643,053.70, 3,964,580.55 and 2,328,125.70 is: 3,492,188.55
Step by Step Solution
- Step 1: Write the proportion equation
2,643,053.70 : 3,964,580.55 = 2,328,125.70 : x - Step 2: Convert to fraction form
2,643,053.70/3,964,580.55 = 2,328,125.70/x - Step 3: Cross multiply
2,643,053.70x = 3,964,580.55 × 2,328,125.70 - Step 4: Simplify right side
2,643,053.70x = 9,230,041,868,175.14 - Step 5: Solve for x
x = 9,230,041,868,175.14/2,643,053.70 - Step 6: Final answer
x = 3,492,188.55
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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.