Finding the Fourth Proportional to 3,705,280.20, 5,558,438.70 and 1,575,347.40
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Solution
The fourth proportional to 3,705,280.20, 5,558,438.70 and 1,575,347.40 is: 2,363,241.50
Step by Step Solution
- Step 1: Write the proportion equation
3,705,280.20 : 5,558,438.70 = 1,575,347.40 : x - Step 2: Convert to fraction form
3,705,280.20/5,558,438.70 = 1,575,347.40/x - Step 3: Cross multiply
3,705,280.20x = 5,558,438.70 × 1,575,347.40 - Step 4: Simplify right side
3,705,280.20x = 8,756,471,954,104.38 - Step 5: Solve for x
x = 8,756,471,954,104.38/3,705,280.20 - Step 6: Final answer
x = 2,363,241.50
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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.