Finding the Fourth Proportional to 2,790,238.12, 3,850,230.34 and 1,566,678.12
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Solution
The fourth proportional to 2,790,238.12, 3,850,230.34 and 1,566,678.12 is: 2,161,848.33
Step by Step Solution
- Step 1: Write the proportion equation
2,790,238.12 : 3,850,230.34 = 1,566,678.12 : x - Step 2: Convert to fraction form
2,790,238.12/3,850,230.34 = 1,566,678.12/x - Step 3: Cross multiply
2,790,238.12x = 3,850,230.34 × 1,566,678.12 - Step 4: Simplify right side
2,790,238.12x = 6,032,071,630,638.16 - Step 5: Solve for x
x = 6,032,071,630,638.16/2,790,238.12 - Step 6: Final answer
x = 2,161,848.33
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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.