Finding the Fourth Proportional to 2,970,878.21, 4,458,442.41 and 1,266,219.84
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Solution
The fourth proportional to 2,970,878.21, 4,458,442.41 and 1,266,219.84 is: 1,900,235.50
Step by Step Solution
- Step 1: Write the proportion equation
2,970,878.21 : 4,458,442.41 = 1,266,219.84 : x - Step 2: Convert to fraction form
2,970,878.21/4,458,442.41 = 1,266,219.84/x - Step 3: Cross multiply
2,970,878.21x = 4,458,442.41 × 1,266,219.84 - Step 4: Simplify right side
2,970,878.21x = 5,645,368,235,039.42 - Step 5: Solve for x
x = 5,645,368,235,039.42/2,970,878.21 - Step 6: Final answer
x = 1,900,235.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.