Finding the Fourth Proportional to 1,873,161.06, 2,584,962.09 and 1,013,721.50
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Solution
The fourth proportional to 1,873,161.06, 2,584,962.09 and 1,013,721.50 is: 1,398,935.57
Step by Step Solution
- Step 1: Write the proportion equation
1,873,161.06 : 2,584,962.09 = 1,013,721.50 : x - Step 2: Convert to fraction form
1,873,161.06/2,584,962.09 = 1,013,721.50/x - Step 3: Cross multiply
1,873,161.06x = 2,584,962.09 × 1,013,721.50 - Step 4: Simplify right side
1,873,161.06x = 2,620,431,634,393.12 - Step 5: Solve for x
x = 2,620,431,634,393.12/1,873,161.06 - Step 6: Final answer
x = 1,398,935.57
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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.