Finding the Fourth Proportional to 5,281,671.98, 7,289,350.96 and 3,106,109.99
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Solution
The fourth proportional to 5,281,671.98, 7,289,350.96 and 3,106,109.99 is: 4,286,810.30
Step by Step Solution
- Step 1: Write the proportion equation
5,281,671.98 : 7,289,350.96 = 3,106,109.99 : x - Step 2: Convert to fraction form
5,281,671.98/7,289,350.96 = 3,106,109.99/x - Step 3: Cross multiply
5,281,671.98x = 7,289,350.96 × 3,106,109.99 - Step 4: Simplify right side
5,281,671.98x = 22,641,525,821,487.48 - Step 5: Solve for x
x = 22,641,525,821,487.48/5,281,671.98 - Step 6: Final answer
x = 4,286,810.30
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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.