Finding the Fourth Proportional to 4,896,028.80, 6,741,403.20 and 4,070,217.60
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Solution
The fourth proportional to 4,896,028.80, 6,741,403.20 and 4,070,217.60 is: 5,604,333.45
Step by Step Solution
- Step 1: Write the proportion equation
4,896,028.80 : 6,741,403.20 = 4,070,217.60 : x - Step 2: Convert to fraction form
4,896,028.80/6,741,403.20 = 4,070,217.60/x - Step 3: Cross multiply
4,896,028.80x = 6,741,403.20 × 4,070,217.60 - Step 4: Simplify right side
4,896,028.80x = 27,438,977,953,336.32 - Step 5: Solve for x
x = 27,438,977,953,336.32/4,896,028.80 - Step 6: Final answer
x = 5,604,333.45
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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.