Finding the Fourth Proportional to 6,477,962.67, 8,939,591.87 and 3,537,820
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Solution
The fourth proportional to 6,477,962.67, 8,939,591.87 and 3,537,820 is: 4,882,193.45
Step by Step Solution
- Step 1: Write the proportion equation
6,477,962.67 : 8,939,591.87 = 3,537,820 : x - Step 2: Convert to fraction form
6,477,962.67/8,939,591.87 = 3,537,820/x - Step 3: Cross multiply
6,477,962.67x = 8,939,591.87 × 3,537,820 - Step 4: Simplify right side
6,477,962.67x = 31,626,666,909,523.40 - Step 5: Solve for x
x = 31,626,666,909,523.40/6,477,962.67 - Step 6: Final answer
x = 4,882,193.45
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1.5x scale
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.