Finding the Fourth Proportional to 929,101.20, 1,393,651.80 and 893,671.80
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Solution
The fourth proportional to 929,101.20, 1,393,651.80 and 893,671.80 is: 1,340,507.70
Step by Step Solution
- Step 1: Write the proportion equation
929,101.20 : 1,393,651.80 = 893,671.80 : x - Step 2: Convert to fraction form
929,101.20/1,393,651.80 = 893,671.80/x - Step 3: Cross multiply
929,101.20x = 1,393,651.80 × 893,671.80 - Step 4: Simplify right side
929,101.20x = 1,245,467,312,679.24 - Step 5: Solve for x
x = 1,245,467,312,679.24/929,101.20 - Step 6: Final answer
x = 1,340,507.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.