Finding the Fourth Proportional to 2,184,352.35, 3,014,420.25 and 1,217,543.95
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Solution
The fourth proportional to 2,184,352.35, 3,014,420.25 and 1,217,543.95 is: 1,680,218.46
Step by Step Solution
- Step 1: Write the proportion equation
2,184,352.35 : 3,014,420.25 = 1,217,543.95 : x - Step 2: Convert to fraction form
2,184,352.35/3,014,420.25 = 1,217,543.95/x - Step 3: Cross multiply
2,184,352.35x = 3,014,420.25 × 1,217,543.95 - Step 4: Simplify right side
2,184,352.35x = 3,670,189,138,144.99 - Step 5: Solve for x
x = 3,670,189,138,144.99/2,184,352.35 - Step 6: Final answer
x = 1,680,218.46
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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.