Finding the Fourth Proportional to 6,457,404.06, 8,911,216.56 and 3,556,794.87
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Solution
The fourth proportional to 6,457,404.06, 8,911,216.56 and 3,556,794.87 is: 4,908,376.35
Step by Step Solution
- Step 1: Write the proportion equation
6,457,404.06 : 8,911,216.56 = 3,556,794.87 : x - Step 2: Convert to fraction form
6,457,404.06/8,911,216.56 = 3,556,794.87/x - Step 3: Cross multiply
6,457,404.06x = 8,911,216.56 × 3,556,794.87 - Step 4: Simplify right side
6,457,404.06x = 31,695,369,346,067.05 - Step 5: Solve for x
x = 31,695,369,346,067.05/6,457,404.06 - Step 6: Final answer
x = 4,908,376.35
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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.