Finding the Fourth Proportional to 5,717,639.16, 8,574,640.03 and 1,878,576.72
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Solution
The fourth proportional to 5,717,639.16, 8,574,640.03 and 1,878,576.72 is: 2,817,267.52
Step by Step Solution
- Step 1: Write the proportion equation
5,717,639.16 : 8,574,640.03 = 1,878,576.72 : x - Step 2: Convert to fraction form
5,717,639.16/8,574,640.03 = 1,878,576.72/x - Step 3: Cross multiply
5,717,639.16x = 8,574,640.03 × 1,878,576.72 - Step 4: Simplify right side
5,717,639.16x = 16,108,119,111,908.62 - Step 5: Solve for x
x = 16,108,119,111,908.62/5,717,639.16 - Step 6: Final answer
x = 2,817,267.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.