Finding the Fourth Proportional to 1,385,285.01, 1,911,674.68 and 773,447.14
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Solution
The fourth proportional to 1,385,285.01, 1,911,674.68 and 773,447.14 is: 1,067,346.65
Step by Step Solution
- Step 1: Write the proportion equation
1,385,285.01 : 1,911,674.68 = 773,447.14 : x - Step 2: Convert to fraction form
1,385,285.01/1,911,674.68 = 773,447.14/x - Step 3: Cross multiply
1,385,285.01x = 1,911,674.68 × 773,447.14 - Step 4: Simplify right side
1,385,285.01x = 1,478,579,313,856.42 - Step 5: Solve for x
x = 1,478,579,313,856.42/1,385,285.01 - Step 6: Final answer
x = 1,067,346.65
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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.