Finding the Fourth Proportional to 4,192,705.52, 6,282,643.35 and 2,821,400.88
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Solution
The fourth proportional to 4,192,705.52, 6,282,643.35 and 2,821,400.88 is: 4,227,784.51
Step by Step Solution
- Step 1: Write the proportion equation
4,192,705.52 : 6,282,643.35 = 2,821,400.88 : x - Step 2: Convert to fraction form
4,192,705.52/6,282,643.35 = 2,821,400.88/x - Step 3: Cross multiply
4,192,705.52x = 6,282,643.35 × 2,821,400.88 - Step 4: Simplify right side
4,192,705.52x = 17,725,855,476,416.14 - Step 5: Solve for x
x = 17,725,855,476,416.14/4,192,705.52 - Step 6: Final answer
x = 4,227,784.51
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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.