Finding the Fourth Proportional to 2,190,911.67, 3,023,468.14 and 1,197,499.95
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Solution
The fourth proportional to 2,190,911.67, 3,023,468.14 and 1,197,499.95 is: 1,652,555.41
Step by Step Solution
- Step 1: Write the proportion equation
2,190,911.67 : 3,023,468.14 = 1,197,499.95 : x - Step 2: Convert to fraction form
2,190,911.67/3,023,468.14 = 1,197,499.95/x - Step 3: Cross multiply
2,190,911.67x = 3,023,468.14 × 1,197,499.95 - Step 4: Simplify right side
2,190,911.67x = 3,620,602,934,390.15 - Step 5: Solve for x
x = 3,620,602,934,390.15/2,190,911.67 - Step 6: Final answer
x = 1,652,555.41
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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.