Finding the Fourth Proportional to 2,897,117.16, 3,998,516.46 and 1,673,202.70
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Solution
The fourth proportional to 2,897,117.16, 3,998,516.46 and 1,673,202.70 is: 2,309,305.48
Step by Step Solution
- Step 1: Write the proportion equation
2,897,117.16 : 3,998,516.46 = 1,673,202.70 : x - Step 2: Convert to fraction form
2,897,117.16/3,998,516.46 = 1,673,202.70/x - Step 3: Cross multiply
2,897,117.16x = 3,998,516.46 × 1,673,202.70 - Step 4: Simplify right side
2,897,117.16x = 6,690,328,536,866.44 - Step 5: Solve for x
x = 6,690,328,536,866.44/2,897,117.16 - Step 6: Final answer
x = 2,309,305.48
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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.