Finding the Fourth Proportional to 5,377,512.04, 7,420,878.50 and 2,930,152.12
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Solution
The fourth proportional to 5,377,512.04, 7,420,878.50 and 2,930,152.12 is: 4,043,561.91
Step by Step Solution
- Step 1: Write the proportion equation
5,377,512.04 : 7,420,878.50 = 2,930,152.12 : x - Step 2: Convert to fraction form
5,377,512.04/7,420,878.50 = 2,930,152.12/x - Step 3: Cross multiply
5,377,512.04x = 7,420,878.50 × 2,930,152.12 - Step 4: Simplify right side
5,377,512.04x = 21,744,302,869,037.42 - Step 5: Solve for x
x = 21,744,302,869,037.42/5,377,512.04 - Step 6: Final answer
x = 4,043,561.91
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1.5x scale
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.