Finding the Fourth Proportional to 7,073,363.84, 9,761,242.19 and 3,854,099.84
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Solution
The fourth proportional to 7,073,363.84, 9,761,242.19 and 3,854,099.84 is: 5,318,657.82
Step by Step Solution
- Step 1: Write the proportion equation
7,073,363.84 : 9,761,242.19 = 3,854,099.84 : x - Step 2: Convert to fraction form
7,073,363.84/9,761,242.19 = 3,854,099.84/x - Step 3: Cross multiply
7,073,363.84x = 9,761,242.19 × 3,854,099.84 - Step 4: Simplify right side
7,073,363.84x = 37,620,801,894,603.54 - Step 5: Solve for x
x = 37,620,801,894,603.54/7,073,363.84 - Step 6: Final answer
x = 5,318,657.82
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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.