Finding the Fourth Proportional to 2,863,455.12, 3,951,595.08 and 1,574,304.48
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Solution
The fourth proportional to 2,863,455.12, 3,951,595.08 and 1,574,304.48 is: 2,172,555.03
Step by Step Solution
- Step 1: Write the proportion equation
2,863,455.12 : 3,951,595.08 = 1,574,304.48 : x - Step 2: Convert to fraction form
2,863,455.12/3,951,595.08 = 1,574,304.48/x - Step 3: Cross multiply
2,863,455.12x = 3,951,595.08 × 1,574,304.48 - Step 4: Simplify right side
2,863,455.12x = 6,221,013,837,589.96 - Step 5: Solve for x
x = 6,221,013,837,589.96/2,863,455.12 - Step 6: Final answer
x = 2,172,555.03
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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.