Finding the Fourth Proportional to 7,372,189.98, 11,063,264.88 and 2,579,920.76
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Solution
The fourth proportional to 7,372,189.98, 11,063,264.88 and 2,579,920.76 is: 3,871,623.87
Step by Step Solution
- Step 1: Write the proportion equation
7,372,189.98 : 11,063,264.88 = 2,579,920.76 : x - Step 2: Convert to fraction form
7,372,189.98/11,063,264.88 = 2,579,920.76/x - Step 3: Cross multiply
7,372,189.98x = 11,063,264.88 × 2,579,920.76 - Step 4: Simplify right side
7,372,189.98x = 28,542,346,681,974.59 - Step 5: Solve for x
x = 28,542,346,681,974.59/7,372,189.98 - Step 6: Final answer
x = 3,871,623.87
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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.