Finding the Fourth Proportional to 2,918,595.60, 4,377,907.98 and 1,319,286.24
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Solution
The fourth proportional to 2,918,595.60, 4,377,907.98 and 1,319,286.24 is: 1,978,935.95
Step by Step Solution
- Step 1: Write the proportion equation
2,918,595.60 : 4,377,907.98 = 1,319,286.24 : x - Step 2: Convert to fraction form
2,918,595.60/4,377,907.98 = 1,319,286.24/x - Step 3: Cross multiply
2,918,595.60x = 4,377,907.98 × 1,319,286.24 - Step 4: Simplify right side
2,918,595.60x = 5,775,713,758,000.20 - Step 5: Solve for x
x = 5,775,713,758,000.20/2,918,595.60 - Step 6: Final answer
x = 1,978,935.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.