Finding the Fourth Proportional to 4,442,538.20, 6,663,807.37 and 1,076,745.20
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Solution
The fourth proportional to 4,442,538.20, 6,663,807.37 and 1,076,745.20 is: 1,615,117.82
Step by Step Solution
- Step 1: Write the proportion equation
4,442,538.20 : 6,663,807.37 = 1,076,745.20 : x - Step 2: Convert to fraction form
4,442,538.20/6,663,807.37 = 1,076,745.20/x - Step 3: Cross multiply
4,442,538.20x = 6,663,807.37 × 1,076,745.20 - Step 4: Simplify right side
4,442,538.20x = 7,175,222,599,372.12 - Step 5: Solve for x
x = 7,175,222,599,372.12/4,442,538.20 - Step 6: Final answer
x = 1,615,117.82
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1.5x scale
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.