Finding the Fourth Proportional to 4,875,511.46, 6,717,372.40 and 3,218,707.82
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Solution
The fourth proportional to 4,875,511.46, 6,717,372.40 and 3,218,707.82 is: 4,434,664.79
Step by Step Solution
- Step 1: Write the proportion equation
4,875,511.46 : 6,717,372.40 = 3,218,707.82 : x - Step 2: Convert to fraction form
4,875,511.46/6,717,372.40 = 3,218,707.82/x - Step 3: Cross multiply
4,875,511.46x = 6,717,372.40 × 3,218,707.82 - Step 4: Simplify right side
4,875,511.46x = 21,621,259,032,098.54 - Step 5: Solve for x
x = 21,621,259,032,098.54/4,875,511.46 - Step 6: Final answer
x = 4,434,664.79
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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.