Finding the Fourth Proportional to 2,860,884.99, 3,948,004.76 and 1,571,697.63
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Solution
The fourth proportional to 2,860,884.99, 3,948,004.76 and 1,571,697.63 is: 2,168,933.65
Step by Step Solution
- Step 1: Write the proportion equation
2,860,884.99 : 3,948,004.76 = 1,571,697.63 : x - Step 2: Convert to fraction form
2,860,884.99/3,948,004.76 = 1,571,697.63/x - Step 3: Cross multiply
2,860,884.99x = 3,948,004.76 × 1,571,697.63 - Step 4: Simplify right side
2,860,884.99x = 6,205,069,716,662.23 - Step 5: Solve for x
x = 6,205,069,716,662.23/2,860,884.99 - Step 6: Final answer
x = 2,168,933.65
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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.