Finding the Fourth Proportional to 6,312,584.80, 9,462,656.40 and 3,115,093.60
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Solution
The fourth proportional to 6,312,584.80, 9,462,656.40 and 3,115,093.60 is: 4,669,570.60
Step by Step Solution
- Step 1: Write the proportion equation
6,312,584.80 : 9,462,656.40 = 3,115,093.60 : x - Step 2: Convert to fraction form
6,312,584.80/9,462,656.40 = 3,115,093.60/x - Step 3: Cross multiply
6,312,584.80x = 9,462,656.40 × 3,115,093.60 - Step 4: Simplify right side
6,312,584.80x = 29,477,060,390,639.04 - Step 5: Solve for x
x = 29,477,060,390,639.04/6,312,584.80 - Step 6: Final answer
x = 4,669,570.60
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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.