Finding the Fourth Proportional to 4,758,111.66, 7,137,442.63 and 1,346,112.44
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Solution
The fourth proportional to 4,758,111.66, 7,137,442.63 and 1,346,112.44 is: 2,019,246.49
Step by Step Solution
- Step 1: Write the proportion equation
4,758,111.66 : 7,137,442.63 = 1,346,112.44 : x - Step 2: Convert to fraction form
4,758,111.66/7,137,442.63 = 1,346,112.44/x - Step 3: Cross multiply
4,758,111.66x = 7,137,442.63 × 1,346,112.44 - Step 4: Simplify right side
4,758,111.66x = 9,607,800,278,342.10 - Step 5: Solve for x
x = 9,607,800,278,342.10/4,758,111.66 - Step 6: Final answer
x = 2,019,246.49
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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.