Finding the Fourth Proportional to 2,996,120.15, 4,495,311.53 and 1,798,877.08
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Solution
The fourth proportional to 2,996,120.15, 4,495,311.53 and 1,798,877.08 is: 2,698,994.86
Step by Step Solution
- Step 1: Write the proportion equation
2,996,120.15 : 4,495,311.53 = 1,798,877.08 : x - Step 2: Convert to fraction form
2,996,120.15/4,495,311.53 = 1,798,877.08/x - Step 3: Cross multiply
2,996,120.15x = 4,495,311.53 × 1,798,877.08 - Step 4: Simplify right side
2,996,120.15x = 8,086,512,878,776.73 - Step 5: Solve for x
x = 8,086,512,878,776.73/2,996,120.15 - Step 6: Final answer
x = 2,698,994.86
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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.