Finding the Fourth Proportional to 6,330,895.19, 8,739,647.67 and 4,241,335.60
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Solution
The fourth proportional to 6,330,895.19, 8,739,647.67 and 4,241,335.60 is: 5,855,061.20
Step by Step Solution
- Step 1: Write the proportion equation
6,330,895.19 : 8,739,647.67 = 4,241,335.60 : x - Step 2: Convert to fraction form
6,330,895.19/8,739,647.67 = 4,241,335.60/x - Step 3: Cross multiply
6,330,895.19x = 8,739,647.67 × 4,241,335.60 - Step 4: Simplify right side
6,330,895.19x = 37,067,778,750,529.81 - Step 5: Solve for x
x = 37,067,778,750,529.81/6,330,895.19 - Step 6: Final answer
x = 5,855,061.20
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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.