Finding the Fourth Proportional to 6,971,233.92, 9,621,204.93 and 3,915,448.08
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Solution
The fourth proportional to 6,971,233.92, 9,621,204.93 and 3,915,448.08 is: 5,403,825.03
Step by Step Solution
- Step 1: Write the proportion equation
6,971,233.92 : 9,621,204.93 = 3,915,448.08 : x - Step 2: Convert to fraction form
6,971,233.92/9,621,204.93 = 3,915,448.08/x - Step 3: Cross multiply
6,971,233.92x = 9,621,204.93 × 3,915,448.08 - Step 4: Simplify right side
6,971,233.92x = 37,671,328,370,455.03 - Step 5: Solve for x
x = 37,671,328,370,455.03/6,971,233.92 - Step 6: Final answer
x = 5,403,825.03
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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.