Finding the Fourth Proportional to 5,612,386.32, 8,415,962.36 and 2,915,986.64
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Solution
The fourth proportional to 5,612,386.32, 8,415,962.36 and 2,915,986.64 is: 4,372,620.20
Step by Step Solution
- Step 1: Write the proportion equation
5,612,386.32 : 8,415,962.36 = 2,915,986.64 : x - Step 2: Convert to fraction form
5,612,386.32/8,415,962.36 = 2,915,986.64/x - Step 3: Cross multiply
5,612,386.32x = 8,415,962.36 × 2,915,986.64 - Step 4: Simplify right side
5,612,386.32x = 24,540,833,804,502.87 - Step 5: Solve for x
x = 24,540,833,804,502.87/5,612,386.32 - Step 6: Final answer
x = 4,372,620.20
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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.