Finding the Fourth Proportional to 5,705,645.19, 8,558,965.94 and 1,445,813.58
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Solution
The fourth proportional to 5,705,645.19, 8,558,965.94 and 1,445,813.58 is: 2,168,846.60
Step by Step Solution
- Step 1: Write the proportion equation
5,705,645.19 : 8,558,965.94 = 1,445,813.58 : x - Step 2: Convert to fraction form
5,705,645.19/8,558,965.94 = 1,445,813.58/x - Step 3: Cross multiply
5,705,645.19x = 8,558,965.94 × 1,445,813.58 - Step 4: Simplify right side
5,705,645.19x = 12,374,669,179,580.40 - Step 5: Solve for x
x = 12,374,669,179,580.40/5,705,645.19 - Step 6: Final answer
x = 2,168,846.60
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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.