Finding the Fourth Proportional to 6,634,404.77, 9,158,303.21 and 4,460,208.75
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Solution
The fourth proportional to 6,634,404.77, 9,158,303.21 and 4,460,208.75 is: 6,156,987.03
Step by Step Solution
- Step 1: Write the proportion equation
6,634,404.77 : 9,158,303.21 = 4,460,208.75 : x - Step 2: Convert to fraction form
6,634,404.77/9,158,303.21 = 4,460,208.75/x - Step 3: Cross multiply
6,634,404.77x = 9,158,303.21 × 4,460,208.75 - Step 4: Simplify right side
6,634,404.77x = 40,847,944,090,094.05 - Step 5: Solve for x
x = 40,847,944,090,094.05/6,634,404.77 - Step 6: Final answer
x = 6,156,987.03
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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.