Finding the Fourth Proportional to 2,135,434.37, 2,946,899.70 and 1,168,564.73
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Solution
The fourth proportional to 2,135,434.37, 2,946,899.70 and 1,168,564.73 is: 1,612,619.47
Step by Step Solution
- Step 1: Write the proportion equation
2,135,434.37 : 2,946,899.70 = 1,168,564.73 : x - Step 2: Convert to fraction form
2,135,434.37/2,946,899.70 = 1,168,564.73/x - Step 3: Cross multiply
2,135,434.37x = 2,946,899.70 × 1,168,564.73 - Step 4: Simplify right side
2,135,434.37x = 3,443,643,037,533.08 - Step 5: Solve for x
x = 3,443,643,037,533.08/2,135,434.37 - Step 6: Final answer
x = 1,612,619.47
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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.