Finding the Fourth Proportional to 7,104,897.84, 10,660,845.96 and 3,317,830.32
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Solution
The fourth proportional to 7,104,897.84, 10,660,845.96 and 3,317,830.32 is: 4,978,379.53
Step by Step Solution
- Step 1: Write the proportion equation
7,104,897.84 : 10,660,845.96 = 3,317,830.32 : x - Step 2: Convert to fraction form
7,104,897.84/10,660,845.96 = 3,317,830.32/x - Step 3: Cross multiply
7,104,897.84x = 10,660,845.96 × 3,317,830.32 - Step 4: Simplify right side
7,104,897.84x = 35,370,877,962,937.51 - Step 5: Solve for x
x = 35,370,877,962,937.51/7,104,897.84 - Step 6: Final answer
x = 4,978,379.53
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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.