Finding the Fourth Proportional to 1,692,988.58, 2,336,391.60 and 929,069.48
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Solution
The fourth proportional to 1,692,988.58, 2,336,391.60 and 929,069.48 is: 1,282,152.85
Step by Step Solution
- Step 1: Write the proportion equation
1,692,988.58 : 2,336,391.60 = 929,069.48 : x - Step 2: Convert to fraction form
1,692,988.58/2,336,391.60 = 929,069.48/x - Step 3: Cross multiply
1,692,988.58x = 2,336,391.60 × 929,069.48 - Step 4: Simplify right side
1,692,988.58x = 2,170,670,128,888.37 - Step 5: Solve for x
x = 2,170,670,128,888.37/1,692,988.58 - Step 6: Final answer
x = 1,282,152.85
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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.