Finding the Fourth Proportional to 1,525,295.61, 2,104,964.19 and 921,566.97
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Solution
The fourth proportional to 1,525,295.61, 2,104,964.19 and 921,566.97 is: 1,271,796.40
Step by Step Solution
- Step 1: Write the proportion equation
1,525,295.61 : 2,104,964.19 = 921,566.97 : x - Step 2: Convert to fraction form
1,525,295.61/2,104,964.19 = 921,566.97/x - Step 3: Cross multiply
1,525,295.61x = 2,104,964.19 × 921,566.97 - Step 4: Simplify right side
1,525,295.61x = 1,939,865,465,928.97 - Step 5: Solve for x
x = 1,939,865,465,928.97/1,525,295.61 - Step 6: Final answer
x = 1,271,796.40
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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.