Finding the Fourth Proportional to 3,658,698.05, 5,488,056.43 and 926,245.75
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Solution
The fourth proportional to 3,658,698.05, 5,488,056.43 and 926,245.75 is: 1,389,370.99
Step by Step Solution
- Step 1: Write the proportion equation
3,658,698.05 : 5,488,056.43 = 926,245.75 : x - Step 2: Convert to fraction form
3,658,698.05/5,488,056.43 = 926,245.75/x - Step 3: Cross multiply
3,658,698.05x = 5,488,056.43 × 926,245.75 - Step 4: Simplify right side
3,658,698.05x = 5,083,288,938,924.31 - Step 5: Solve for x
x = 5,083,288,938,924.31/3,658,698.05 - Step 6: Final answer
x = 1,389,370.99
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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.