Finding the Fourth Proportional to 4,977,473.28, 6,869,291.04 and 3,017,921.28
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Solution
The fourth proportional to 4,977,473.28, 6,869,291.04 and 3,017,921.28 is: 4,164,960.50
Step by Step Solution
- Step 1: Write the proportion equation
4,977,473.28 : 6,869,291.04 = 3,017,921.28 : x - Step 2: Convert to fraction form
4,977,473.28/6,869,291.04 = 3,017,921.28/x - Step 3: Cross multiply
4,977,473.28x = 6,869,291.04 × 3,017,921.28 - Step 4: Simplify right side
4,977,473.28x = 20,730,979,608,129.33 - Step 5: Solve for x
x = 20,730,979,608,129.33/4,977,473.28 - Step 6: Final answer
x = 4,164,960.50
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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.