Finding the Fourth Proportional to 2,169,580.15, 2,994,352.01 and 1,384,984.99
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Solution
The fourth proportional to 2,169,580.15, 2,994,352.01 and 1,384,984.99 is: 1,911,490.84
Step by Step Solution
- Step 1: Write the proportion equation
2,169,580.15 : 2,994,352.01 = 1,384,984.99 : x - Step 2: Convert to fraction form
2,169,580.15/2,994,352.01 = 1,384,984.99/x - Step 3: Cross multiply
2,169,580.15x = 2,994,352.01 × 1,384,984.99 - Step 4: Simplify right side
2,169,580.15x = 4,147,132,588,626.33 - Step 5: Solve for x
x = 4,147,132,588,626.33/2,169,580.15 - Step 6: Final answer
x = 1,911,490.84
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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.