Finding the Fourth Proportional to 1,503,614.96, 2,257,347.08 and 1,291,738.40
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Solution
The fourth proportional to 1,503,614.96, 2,257,347.08 and 1,291,738.40 is: 1,939,261.04
Step by Step Solution
- Step 1: Write the proportion equation
1,503,614.96 : 2,257,347.08 = 1,291,738.40 : x - Step 2: Convert to fraction form
1,503,614.96/2,257,347.08 = 1,291,738.40/x - Step 3: Cross multiply
1,503,614.96x = 2,257,347.08 × 1,291,738.40 - Step 4: Simplify right side
1,503,614.96x = 2,915,901,905,363.87 - Step 5: Solve for x
x = 2,915,901,905,363.87/1,503,614.96 - Step 6: Final answer
x = 1,939,261.04
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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.