Finding the Fourth Proportional to 2,184,352.28, 3,014,420.12 and 1,217,543.88
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Solution
The fourth proportional to 2,184,352.28, 3,014,420.12 and 1,217,543.88 is: 1,680,218.34
Step by Step Solution
- Step 1: Write the proportion equation
2,184,352.28 : 3,014,420.12 = 1,217,543.88 : x - Step 2: Convert to fraction form
2,184,352.28/3,014,420.12 = 1,217,543.88/x - Step 3: Cross multiply
2,184,352.28x = 3,014,420.12 × 1,217,543.88 - Step 4: Simplify right side
2,184,352.28x = 3,670,188,768,854.87 - Step 5: Solve for x
x = 3,670,188,768,854.87/2,184,352.28 - Step 6: Final answer
x = 1,680,218.34
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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.