Finding the Fourth Proportional to 5,909,793.90, 8,864,690.85 and 5,130,347.10
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Solution
The fourth proportional to 5,909,793.90, 8,864,690.85 and 5,130,347.10 is: 7,695,520.65
Step by Step Solution
- Step 1: Write the proportion equation
5,909,793.90 : 8,864,690.85 = 5,130,347.10 : x - Step 2: Convert to fraction form
5,909,793.90/8,864,690.85 = 5,130,347.10/x - Step 3: Cross multiply
5,909,793.90x = 8,864,690.85 × 5,130,347.10 - Step 4: Simplify right side
5,909,793.90x = 45,478,940,994,694.03 - Step 5: Solve for x
x = 45,478,940,994,694.03/5,909,793.90 - Step 6: Final answer
x = 7,695,520.65
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Similar ratio
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1.5x scale
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.