Finding the Fourth Proportional to 2,989,841.91, 4,125,438.58 and 1,766,346.63
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Solution
The fourth proportional to 2,989,841.91, 4,125,438.58 and 1,766,346.63 is: 2,437,237.40
Step by Step Solution
- Step 1: Write the proportion equation
2,989,841.91 : 4,125,438.58 = 1,766,346.63 : x - Step 2: Convert to fraction form
2,989,841.91/4,125,438.58 = 1,766,346.63/x - Step 3: Cross multiply
2,989,841.91x = 4,125,438.58 × 1,766,346.63 - Step 4: Simplify right side
2,989,841.91x = 7,286,954,533,054.99 - Step 5: Solve for x
x = 7,286,954,533,054.99/2,989,841.91 - Step 6: Final answer
x = 2,437,237.40
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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.