Finding the Fourth Proportional to 1,872,685.68, 2,584,287.84 and 1,013,227.08
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Solution
The fourth proportional to 1,872,685.68, 2,584,287.84 and 1,013,227.08 is: 1,398,243.42
Step by Step Solution
- Step 1: Write the proportion equation
1,872,685.68 : 2,584,287.84 = 1,013,227.08 : x - Step 2: Convert to fraction form
1,872,685.68/2,584,287.84 = 1,013,227.08/x - Step 3: Cross multiply
1,872,685.68x = 2,584,287.84 × 1,013,227.08 - Step 4: Simplify right side
1,872,685.68x = 2,618,470,422,002.71 - Step 5: Solve for x
x = 2,618,470,422,002.71/1,872,685.68 - Step 6: Final answer
x = 1,398,243.42
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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.