Finding the Fourth Proportional to 1,588,611.63, 2,190,775.28 and 1,045,208.55
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Solution
The fourth proportional to 1,588,611.63, 2,190,775.28 and 1,045,208.55 is: 1,441,395.12
Step by Step Solution
- Step 1: Write the proportion equation
1,588,611.63 : 2,190,775.28 = 1,045,208.55 : x - Step 2: Convert to fraction form
1,588,611.63/2,190,775.28 = 1,045,208.55/x - Step 3: Cross multiply
1,588,611.63x = 2,190,775.28 × 1,045,208.55 - Step 4: Simplify right side
1,588,611.63x = 2,289,817,042,830.77 - Step 5: Solve for x
x = 2,289,817,042,830.77/1,588,611.63 - Step 6: Final answer
x = 1,441,395.12
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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.