Finding the Fourth Proportional to 3,912,420.52, 5,868,651.08 and 1,781,014.08
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Solution
The fourth proportional to 3,912,420.52, 5,868,651.08 and 1,781,014.08 is: 2,671,530.36
Step by Step Solution
- Step 1: Write the proportion equation
3,912,420.52 : 5,868,651.08 = 1,781,014.08 : x - Step 2: Convert to fraction form
3,912,420.52/5,868,651.08 = 1,781,014.08/x - Step 3: Cross multiply
3,912,420.52x = 5,868,651.08 × 1,781,014.08 - Step 4: Simplify right side
3,912,420.52x = 10,452,150,204,087.21 - Step 5: Solve for x
x = 10,452,150,204,087.21/3,912,420.52 - Step 6: Final answer
x = 2,671,530.36
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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.