Finding the Fourth Proportional to 3,572,674.74, 5,352,771.87 and 2,977,460.82
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Solution
The fourth proportional to 3,572,674.74, 5,352,771.87 and 2,977,460.82 is: 4,460,990.63
Step by Step Solution
- Step 1: Write the proportion equation
3,572,674.74 : 5,352,771.87 = 2,977,460.82 : x - Step 2: Convert to fraction form
3,572,674.74/5,352,771.87 = 2,977,460.82/x - Step 3: Cross multiply
3,572,674.74x = 5,352,771.87 × 2,977,460.82 - Step 4: Simplify right side
3,572,674.74x = 15,937,668,521,323.13 - Step 5: Solve for x
x = 15,937,668,521,323.13/3,572,674.74 - Step 6: Final answer
x = 4,460,990.63
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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.