Finding the Fourth Proportional to 1,929,170.40, 2,662,125.39 and 1,069,698.84
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Solution
The fourth proportional to 1,929,170.40, 2,662,125.39 and 1,069,698.84 is: 1,476,112.45
Step by Step Solution
- Step 1: Write the proportion equation
1,929,170.40 : 2,662,125.39 = 1,069,698.84 : x - Step 2: Convert to fraction form
1,929,170.40/2,662,125.39 = 1,069,698.84/x - Step 3: Cross multiply
1,929,170.40x = 2,662,125.39 × 1,069,698.84 - Step 4: Simplify right side
1,929,170.40x = 2,847,672,441,617.55 - Step 5: Solve for x
x = 2,847,672,441,617.55/1,929,170.40 - Step 6: Final answer
x = 1,476,112.45
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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.