Finding the Fourth Proportional to 1,596,988.65, 2,203,877.70 and 871,866.93
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Solution
The fourth proportional to 1,596,988.65, 2,203,877.70 and 871,866.93 is: 1,203,194.58
Step by Step Solution
- Step 1: Write the proportion equation
1,596,988.65 : 2,203,877.70 = 871,866.93 : x - Step 2: Convert to fraction form
1,596,988.65/2,203,877.70 = 871,866.93/x - Step 3: Cross multiply
1,596,988.65x = 2,203,877.70 × 871,866.93 - Step 4: Simplify right side
1,596,988.65x = 1,921,488,084,394.46 - Step 5: Solve for x
x = 1,921,488,084,394.46/1,596,988.65 - Step 6: Final answer
x = 1,203,194.58
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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.