Finding the Fourth Proportional to 2,863,215.07, 3,951,312.24 and 1,574,087.92
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Solution
The fourth proportional to 2,863,215.07, 3,951,312.24 and 1,574,087.92 is: 2,172,282.81
Step by Step Solution
- Step 1: Write the proportion equation
2,863,215.07 : 3,951,312.24 = 1,574,087.92 : x - Step 2: Convert to fraction form
2,863,215.07/3,951,312.24 = 1,574,087.92/x - Step 3: Cross multiply
2,863,215.07x = 3,951,312.24 × 1,574,087.92 - Step 4: Simplify right side
2,863,215.07x = 6,219,712,865,132.14 - Step 5: Solve for x
x = 6,219,712,865,132.14/2,863,215.07 - Step 6: Final answer
x = 2,172,282.81
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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.