Finding the Fourth Proportional to 4,689,254.75, 6,471,171.56 and 2,652,020.51
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Solution
The fourth proportional to 4,689,254.75, 6,471,171.56 and 2,652,020.51 is: 3,659,788.31
Step by Step Solution
- Step 1: Write the proportion equation
4,689,254.75 : 6,471,171.56 = 2,652,020.51 : x - Step 2: Convert to fraction form
4,689,254.75/6,471,171.56 = 2,652,020.51/x - Step 3: Cross multiply
4,689,254.75x = 6,471,171.56 × 2,652,020.51 - Step 4: Simplify right side
4,689,254.75x = 17,161,679,700,848.69 - Step 5: Solve for x
x = 17,161,679,700,848.69/4,689,254.75 - Step 6: Final answer
x = 3,659,788.31
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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.