Finding the Fourth Proportional to 6,129,729.90, 8,458,714.62 and 3,376,357.95
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Solution
The fourth proportional to 6,129,729.90, 8,458,714.62 and 3,376,357.95 is: 4,659,201.76
Step by Step Solution
- Step 1: Write the proportion equation
6,129,729.90 : 8,458,714.62 = 3,376,357.95 : x - Step 2: Convert to fraction form
6,129,729.90/8,458,714.62 = 3,376,357.95/x - Step 3: Cross multiply
6,129,729.90x = 8,458,714.62 × 3,376,357.95 - Step 4: Simplify right side
6,129,729.90x = 28,559,648,354,018.23 - Step 5: Solve for x
x = 28,559,648,354,018.23/6,129,729.90 - Step 6: Final answer
x = 4,659,201.76
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1.5x scale
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.