Finding the Fourth Proportional to 5,218,408.08, 7,201,316.52 and 3,044,215.44
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Solution
The fourth proportional to 5,218,408.08, 7,201,316.52 and 3,044,215.44 is: 4,200,966.77
Step by Step Solution
- Step 1: Write the proportion equation
5,218,408.08 : 7,201,316.52 = 3,044,215.44 : x - Step 2: Convert to fraction form
5,218,408.08/7,201,316.52 = 3,044,215.44/x - Step 3: Cross multiply
5,218,408.08x = 7,201,316.52 × 3,044,215.44 - Step 4: Simplify right side
5,218,408.08x = 21,922,358,938,511.07 - Step 5: Solve for x
x = 21,922,358,938,511.07/5,218,408.08 - Step 6: Final answer
x = 4,200,966.77
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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.