Finding the Fourth Proportional to 4,238,138.92, 6,361,203.84 and 1,545,067.12
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Solution
The fourth proportional to 4,238,138.92, 6,361,203.84 and 1,545,067.12 is: 2,319,057.28
Step by Step Solution
- Step 1: Write the proportion equation
4,238,138.92 : 6,361,203.84 = 1,545,067.12 : x - Step 2: Convert to fraction form
4,238,138.92/6,361,203.84 = 1,545,067.12/x - Step 3: Cross multiply
4,238,138.92x = 6,361,203.84 × 1,545,067.12 - Step 4: Simplify right side
4,238,138.92x = 9,828,486,896,801.74 - Step 5: Solve for x
x = 9,828,486,896,801.74/4,238,138.92 - Step 6: Final answer
x = 2,319,057.28
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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.