Finding the Fourth Proportional to 1,770,283.24, 2,645,347.11 and 1,329,227.66
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Solution
The fourth proportional to 1,770,283.24, 2,645,347.11 and 1,329,227.66 is: 1,986,274.55
Step by Step Solution
- Step 1: Write the proportion equation
1,770,283.24 : 2,645,347.11 = 1,329,227.66 : x - Step 2: Convert to fraction form
1,770,283.24/2,645,347.11 = 1,329,227.66/x - Step 3: Cross multiply
1,770,283.24x = 2,645,347.11 × 1,329,227.66 - Step 4: Simplify right side
1,770,283.24x = 3,516,268,548,913.06 - Step 5: Solve for x
x = 3,516,268,548,913.06/1,770,283.24 - Step 6: Final answer
x = 1,986,274.55
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.