Finding the Fourth Proportional to 2,390,703.28, 3,299,074.29 and 1,302,951.45
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Solution
The fourth proportional to 2,390,703.28, 3,299,074.29 and 1,302,951.45 is: 1,798,020.55
Step by Step Solution
- Step 1: Write the proportion equation
2,390,703.28 : 3,299,074.29 = 1,302,951.45 : x - Step 2: Convert to fraction form
2,390,703.28/3,299,074.29 = 1,302,951.45/x - Step 3: Cross multiply
2,390,703.28x = 3,299,074.29 × 1,302,951.45 - Step 4: Simplify right side
2,390,703.28x = 4,298,533,629,813.22 - Step 5: Solve for x
x = 4,298,533,629,813.22/2,390,703.28 - Step 6: Final answer
x = 1,798,020.55
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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.