Finding the Fourth Proportional to 2,370,417.68, 3,271,185.08 and 1,282,689.28
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Solution
The fourth proportional to 2,370,417.68, 3,271,185.08 and 1,282,689.28 is: 1,770,115.90
Step by Step Solution
- Step 1: Write the proportion equation
2,370,417.68 : 3,271,185.08 = 1,282,689.28 : x - Step 2: Convert to fraction form
2,370,417.68/3,271,185.08 = 1,282,689.28/x - Step 3: Cross multiply
2,370,417.68x = 3,271,185.08 × 1,282,689.28 - Step 4: Simplify right side
2,370,417.68x = 4,195,914,035,011.94 - Step 5: Solve for x
x = 4,195,914,035,011.94/2,370,417.68 - Step 6: Final answer
x = 1,770,115.90
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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.