Finding the Fourth Proportional to 7,720,307.94, 11,580,545.06 and 2,329,005.08
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Solution
The fourth proportional to 7,720,307.94, 11,580,545.06 and 2,329,005.08 is: 3,493,532.70
Step by Step Solution
- Step 1: Write the proportion equation
7,720,307.94 : 11,580,545.06 = 2,329,005.08 : x - Step 2: Convert to fraction form
7,720,307.94/11,580,545.06 = 2,329,005.08/x - Step 3: Cross multiply
7,720,307.94x = 11,580,545.06 × 2,329,005.08 - Step 4: Simplify right side
7,720,307.94x = 26,971,148,204,361.16 - Step 5: Solve for x
x = 26,971,148,204,361.16/7,720,307.94 - Step 6: Final answer
x = 3,493,532.70
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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.